21891312

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2269}}^1$

素因数の和:2350

約数の個数: 60

約数和(自身を含む): 62207080

約数和(自身を除く): 40315768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2269, 2412, 3216, 4538, 4824, 6807, 9076, 9648, 13614, 18152, 20421, 27228, 36304, 40842, 54456, 81684, 108912, 152023, 163368, 304046, 326736, 456069, 608092, 912138, 1216184, 1368207, 1824276, 2432368, 2736414, 3648552, 5472828, 7297104, 10945656, 21891312]

約数ペア:

[(1, 21891312), (2, 10945656), (3, 7297104), (4, 5472828), (6, 3648552), (8, 2736414), (9, 2432368), (12, 1824276), (16, 1368207), (18, 1216184), (24, 912138), (36, 608092), (48, 456069), (67, 326736), (72, 304046), (134, 163368), (144, 152023), (201, 108912), (268, 81684), (402, 54456), (536, 40842), (603, 36304), (804, 27228), (1072, 20421), (1206, 18152), (1608, 13614), (2269, 9648), (2412, 9076), (3216, 6807), (4538, 4824)]