21213072

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3593}}^1$

素因数の和:3648

約数の個数: 60

約数和(自身を含む): 60832044

約数和(自身を除く): 39618972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3593, 5904, 7186, 10779, 14372, 21558, 28744, 32337, 43116, 57488, 64674, 86232, 129348, 147313, 172464, 258696, 294626, 441939, 517392, 589252, 883878, 1178504, 1325817, 1767756, 2357008, 2651634, 3535512, 5303268, 7071024, 10606536, 21213072]

約数ペア:

[(1, 21213072), (2, 10606536), (3, 7071024), (4, 5303268), (6, 3535512), (8, 2651634), (9, 2357008), (12, 1767756), (16, 1325817), (18, 1178504), (24, 883878), (36, 589252), (41, 517392), (48, 441939), (72, 294626), (82, 258696), (123, 172464), (144, 147313), (164, 129348), (246, 86232), (328, 64674), (369, 57488), (492, 43116), (656, 32337), (738, 28744), (984, 21558), (1476, 14372), (1968, 10779), (2952, 7186), (3593, 5904)]