21786189920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{953}}^1$

素因数の和:1429

約数の個数: 192

約数和(自身を含む): 58159503360

約数和(自身を除く): 36373313440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 419, 440, 496, 620, 682, 838, 880, 953, 992, 1240, 1364, 1676, 1705, 1760, 1906, 2095, 2480, 2728, 3352, 3410, 3812, 4190, 4609, 4765, 4960, 5456, 6704, 6820, 7624, 8380, 9218, 9530, 10483, 10912, 12989, 13408, 13640, 15248, 16760, 18436, 19060, 20966, 23045, 25978, 27280, 29543, 30496, 33520, 36872, 38120, 41932, 46090, 51956, 52415, 54560, 59086, 64945, 67040, 73744, 76240, 83864, 92180, 103912, 104830, 118172, 129890, 142879, 147488, 147715, 152480, 167728, 184360, 207824, 209660, 236344, 259780, 285758, 295430, 324973, 335456, 368720, 399307, 415648, 419320, 472688, 519560, 571516, 590860, 649946, 714395, 737440, 798614, 838640, 945376, 1039120, 1143032, 1181720, 1299892, 1428790, 1597228, 1624865, 1677280, 1996535, 2078240, 2286064, 2363440, 2599784, 2857580, 3194456, 3249730, 3993070, 4392377, 4572128, 4726880, 5199568, 5715160, 6388912, 6499460, 7986140, 8784754, 10399136, 11430320, 12378517, 12777824, 12998920, 15972280, 17569508, 21961885, 22860640, 24757034, 25997840, 31944560, 35139016, 43923770, 49514068, 51995680, 61892585, 63889120, 70278032, 87847540, 99028136, 123785170, 136163687, 140556064, 175695080, 198056272, 247570340, 272327374, 351390160, 396112544, 495140680, 544654748, 680818435, 702780320, 990281360, 1089309496, 1361636870, 1980562720, 2178618992, 2723273740, 4357237984, 5446547480, 10893094960, 21786189920]

約数ペア:

[(1, 21786189920), (2, 10893094960), (4, 5446547480), (5, 4357237984), (8, 2723273740), (10, 2178618992), (11, 1980562720), (16, 1361636870), (20, 1089309496), (22, 990281360), (31, 702780320), (32, 680818435), (40, 544654748), (44, 495140680), (55, 396112544), (62, 351390160), (80, 272327374), (88, 247570340), (110, 198056272), (124, 175695080), (155, 140556064), (160, 136163687), (176, 123785170), (220, 99028136), (248, 87847540), (310, 70278032), (341, 63889120), (352, 61892585), (419, 51995680), (440, 49514068), (496, 43923770), (620, 35139016), (682, 31944560), (838, 25997840), (880, 24757034), (953, 22860640), (992, 21961885), (1240, 17569508), (1364, 15972280), (1676, 12998920), (1705, 12777824), (1760, 12378517), (1906, 11430320), (2095, 10399136), (2480, 8784754), (2728, 7986140), (3352, 6499460), (3410, 6388912), (3812, 5715160), (4190, 5199568), (4609, 4726880), (4765, 4572128), (4960, 4392377), (5456, 3993070), (6704, 3249730), (6820, 3194456), (7624, 2857580), (8380, 2599784), (9218, 2363440), (9530, 2286064), (10483, 2078240), (10912, 1996535), (12989, 1677280), (13408, 1624865), (13640, 1597228), (15248, 1428790), (16760, 1299892), (18436, 1181720), (19060, 1143032), (20966, 1039120), (23045, 945376), (25978, 838640), (27280, 798614), (29543, 737440), (30496, 714395), (33520, 649946), (36872, 590860), (38120, 571516), (41932, 519560), (46090, 472688), (51956, 419320), (52415, 415648), (54560, 399307), (59086, 368720), (64945, 335456), (67040, 324973), (73744, 295430), (76240, 285758), (83864, 259780), (92180, 236344), (103912, 209660), (104830, 207824), (118172, 184360), (129890, 167728), (142879, 152480), (147488, 147715)]