21594792

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 40613208

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 29, 38, 46, 57, 58, 69, 71, 76, 87, 92, 114, 116, 138, 142, 152, 174, 184, 213, 228, 232, 276, 284, 348, 426, 437, 456, 551, 552, 568, 667, 696, 852, 874, 1102, 1311, 1334, 1349, 1633, 1653, 1704, 1748, 2001, 2059, 2204, 2622, 2668, 2698, 3266, 3306, 3496, 4002, 4047, 4118, 4408, 4899, 5244, 5336, 5396, 6177, 6532, 6612, 8004, 8094, 8236, 9798, 10488, 10792, 12354, 12673, 13064, 13224, 16008, 16188, 16472, 19596, 24708, 25346, 31027, 32376, 38019, 39121, 39192, 47357, 49416, 50692, 62054, 76038, 78242, 93081, 94714, 101384, 117363, 124108, 142071, 152076, 156484, 186162, 189428, 234726, 248216, 284142, 304152, 312968, 372324, 378856, 469452, 568284, 744648, 899783, 938904, 1136568, 1799566, 2699349, 3599132, 5398698, 7198264, 10797396, 21594792]

約数ペア:

[(1, 21594792), (2, 10797396), (3, 7198264), (4, 5398698), (6, 3599132), (8, 2699349), (12, 1799566), (19, 1136568), (23, 938904), (24, 899783), (29, 744648), (38, 568284), (46, 469452), (57, 378856), (58, 372324), (69, 312968), (71, 304152), (76, 284142), (87, 248216), (92, 234726), (114, 189428), (116, 186162), (138, 156484), (142, 152076), (152, 142071), (174, 124108), (184, 117363), (213, 101384), (228, 94714), (232, 93081), (276, 78242), (284, 76038), (348, 62054), (426, 50692), (437, 49416), (456, 47357), (551, 39192), (552, 39121), (568, 38019), (667, 32376), (696, 31027), (852, 25346), (874, 24708), (1102, 19596), (1311, 16472), (1334, 16188), (1349, 16008), (1633, 13224), (1653, 13064), (1704, 12673), (1748, 12354), (2001, 10792), (2059, 10488), (2204, 9798), (2622, 8236), (2668, 8094), (2698, 8004), (3266, 6612), (3306, 6532), (3496, 6177), (4002, 5396), (4047, 5336), (4118, 5244), (4408, 4899)]