21630008

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 41614560

約数和(自身を除く): 19984552

約数列:

[1, 2, 4, 8, 71, 113, 142, 226, 284, 337, 452, 568, 674, 904, 1348, 2696, 8023, 16046, 23927, 32092, 38081, 47854, 64184, 76162, 95708, 152324, 191416, 304648, 2703751, 5407502, 10815004, 21630008]

約数ペア:

[(1, 21630008), (2, 10815004), (4, 5407502), (8, 2703751), (71, 304648), (113, 191416), (142, 152324), (226, 95708), (284, 76162), (337, 64184), (452, 47854), (568, 38081), (674, 32092), (904, 23927), (1348, 16046), (2696, 8023)]