21909482

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9601}}^1$

素因数の和:9773

約数の個数: 16

約数和(自身を含む): 37793472

約数和(自身を除く): 15883990

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 9601, 19202, 67207, 134414, 1564963, 3129926, 10954741, 21909482]

約数ペア:

[(1, 21909482), (2, 10954741), (7, 3129926), (14, 1564963), (163, 134414), (326, 67207), (1141, 19202), (2282, 9601)]