21296504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 20482696

約数列:

[1, 2, 4, 8, 31, 62, 79, 124, 158, 248, 316, 632, 1087, 2174, 2449, 4348, 4898, 8696, 9796, 19592, 33697, 67394, 85873, 134788, 171746, 269576, 343492, 686984, 2662063, 5324126, 10648252, 21296504]

約数ペア:

[(1, 21296504), (2, 10648252), (4, 5324126), (8, 2662063), (31, 686984), (62, 343492), (79, 269576), (124, 171746), (158, 134788), (248, 85873), (316, 67394), (632, 33697), (1087, 19592), (2174, 9796), (2449, 8696), (4348, 4898)]