21174988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 38530800

約数和(自身を除く): 17355812

約数列:

[1, 2, 4, 29, 58, 116, 277, 554, 659, 1108, 1318, 2636, 8033, 16066, 19111, 32132, 38222, 76444, 182543, 365086, 730172, 5293747, 10587494, 21174988]

約数ペア:

[(1, 21174988), (2, 10587494), (4, 5293747), (29, 730172), (58, 365086), (116, 182543), (277, 76444), (554, 38222), (659, 32132), (1108, 19111), (1318, 16066), (2636, 8033)]