21373888

素因数分解:

$2^6\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1340

約数の個数: 28

約数和(自身を含む): 42582592

約数和(自身を除く): 21208704

約数列:

[1, 2, 4, 8, 16, 32, 64, 337, 674, 991, 1348, 1982, 2696, 3964, 5392, 7928, 10784, 15856, 21568, 31712, 63424, 333967, 667934, 1335868, 2671736, 5343472, 10686944, 21373888]

約数ペア:

[(1, 21373888), (2, 10686944), (4, 5343472), (8, 2671736), (16, 1335868), (32, 667934), (64, 333967), (337, 63424), (674, 31712), (991, 21568), (1348, 15856), (1982, 10784), (2696, 7928), (3964, 5392)]