21299681928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{187273}}^1$

素因数の和:187966

約数の個数: 64

約数和(自身を含む): 60946450560

約数和(自身を除く): 39646768632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 677, 1354, 2031, 2708, 4062, 4739, 5416, 8124, 9478, 14217, 16248, 18956, 28434, 37912, 56868, 113736, 187273, 374546, 561819, 749092, 1123638, 1310911, 1498184, 2247276, 2621822, 3932733, 4494552, 5243644, 7865466, 10487288, 15730932, 31461864, 126783821, 253567642, 380351463, 507135284, 760702926, 887486747, 1014270568, 1521405852, 1774973494, 2662460241, 3042811704, 3549946988, 5324920482, 7099893976, 10649840964, 21299681928]

約数ペア:

[(1, 21299681928), (2, 10649840964), (3, 7099893976), (4, 5324920482), (6, 3549946988), (7, 3042811704), (8, 2662460241), (12, 1774973494), (14, 1521405852), (21, 1014270568), (24, 887486747), (28, 760702926), (42, 507135284), (56, 380351463), (84, 253567642), (168, 126783821), (677, 31461864), (1354, 15730932), (2031, 10487288), (2708, 7865466), (4062, 5243644), (4739, 4494552), (5416, 3932733), (8124, 2621822), (9478, 2247276), (14217, 1498184), (16248, 1310911), (18956, 1123638), (28434, 749092), (37912, 561819), (56868, 374546), (113736, 187273)]