21018297888

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{613279}}^1$

素因数の和:613319

約数の個数: 144

約数和(自身を含む): 72327790080

約数和(自身を除く): 51309492192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 612, 672, 714, 816, 952, 1008, 1071, 1224, 1428, 1632, 1904, 2016, 2142, 2448, 2856, 3808, 4284, 4896, 5712, 8568, 11424, 17136, 34272, 613279, 1226558, 1839837, 2453116, 3679674, 4292953, 4906232, 5519511, 7359348, 8585906, 9812464, 10425743, 11039022, 12878859, 14718696, 17171812, 19624928, 20851486, 22078044, 25757718, 29437392, 31277229, 34343624, 38636577, 41702972, 44156088, 51515436, 58874784, 62554458, 68687248, 72980201, 77273154, 83405944, 88312176, 93831687, 103030872, 125108916, 137374496, 145960402, 154546308, 166811888, 176624352, 187663374, 206061744, 218940603, 250217832, 291920804, 309092616, 333623776, 375326748, 412123488, 437881206, 500435664, 583841608, 618185232, 656821809, 750653496, 875762412, 1000871328, 1167683216, 1236370464, 1313643618, 1501306992, 1751524824, 2335366432, 2627287236, 3002613984, 3503049648, 5254574472, 7006099296, 10509148944, 21018297888]

約数ペア:

[(1, 21018297888), (2, 10509148944), (3, 7006099296), (4, 5254574472), (6, 3503049648), (7, 3002613984), (8, 2627287236), (9, 2335366432), (12, 1751524824), (14, 1501306992), (16, 1313643618), (17, 1236370464), (18, 1167683216), (21, 1000871328), (24, 875762412), (28, 750653496), (32, 656821809), (34, 618185232), (36, 583841608), (42, 500435664), (48, 437881206), (51, 412123488), (56, 375326748), (63, 333623776), (68, 309092616), (72, 291920804), (84, 250217832), (96, 218940603), (102, 206061744), (112, 187663374), (119, 176624352), (126, 166811888), (136, 154546308), (144, 145960402), (153, 137374496), (168, 125108916), (204, 103030872), (224, 93831687), (238, 88312176), (252, 83405944), (272, 77273154), (288, 72980201), (306, 68687248), (336, 62554458), (357, 58874784), (408, 51515436), (476, 44156088), (504, 41702972), (544, 38636577), (612, 34343624), (672, 31277229), (714, 29437392), (816, 25757718), (952, 22078044), (1008, 20851486), (1071, 19624928), (1224, 17171812), (1428, 14718696), (1632, 12878859), (1904, 11039022), (2016, 10425743), (2142, 9812464), (2448, 8585906), (2856, 7359348), (3808, 5519511), (4284, 4906232), (4896, 4292953), (5712, 3679674), (8568, 2453116), (11424, 1839837), (17136, 1226558), (34272, 613279)]