21097645638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:750

約数の個数: 128

約数和(自身を含む): 46835712000

約数和(自身を除く): 25738066362

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 109, 114, 127, 174, 218, 254, 327, 381, 461, 551, 654, 762, 922, 1102, 1383, 1653, 2071, 2413, 2766, 3161, 3306, 3683, 4142, 4826, 6213, 6322, 7239, 7366, 8759, 9483, 11049, 12426, 13369, 13843, 14478, 17518, 18966, 22098, 26277, 26738, 27686, 40107, 41529, 50249, 52554, 58547, 60059, 69977, 80214, 83058, 100498, 117094, 120118, 139954, 150747, 175641, 180177, 209931, 254011, 263017, 301494, 351282, 360354, 401447, 419862, 508022, 526034, 762033, 789051, 802894, 954731, 1112393, 1204341, 1457221, 1524066, 1578102, 1697863, 1909462, 2224786, 2408682, 2864193, 2914442, 3337179, 3395726, 4371663, 5093589, 5728386, 6381623, 6674358, 7627493, 8743326, 10187178, 12763246, 15254986, 19144869, 22882479, 27687199, 32259397, 38289738, 45764958, 55374398, 64518794, 83061597, 96778191, 121250837, 166123194, 185067067, 193556382, 242501674, 363752511, 370134134, 555201201, 727505022, 1110402402, 3516274273, 7032548546, 10548822819, 21097645638]

約数ペア:

[(1, 21097645638), (2, 10548822819), (3, 7032548546), (6, 3516274273), (19, 1110402402), (29, 727505022), (38, 555201201), (57, 370134134), (58, 363752511), (87, 242501674), (109, 193556382), (114, 185067067), (127, 166123194), (174, 121250837), (218, 96778191), (254, 83061597), (327, 64518794), (381, 55374398), (461, 45764958), (551, 38289738), (654, 32259397), (762, 27687199), (922, 22882479), (1102, 19144869), (1383, 15254986), (1653, 12763246), (2071, 10187178), (2413, 8743326), (2766, 7627493), (3161, 6674358), (3306, 6381623), (3683, 5728386), (4142, 5093589), (4826, 4371663), (6213, 3395726), (6322, 3337179), (7239, 2914442), (7366, 2864193), (8759, 2408682), (9483, 2224786), (11049, 1909462), (12426, 1697863), (13369, 1578102), (13843, 1524066), (14478, 1457221), (17518, 1204341), (18966, 1112393), (22098, 954731), (26277, 802894), (26738, 789051), (27686, 762033), (40107, 526034), (41529, 508022), (50249, 419862), (52554, 401447), (58547, 360354), (60059, 351282), (69977, 301494), (80214, 263017), (83058, 254011), (100498, 209931), (117094, 180177), (120118, 175641), (139954, 150747)]