21102502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 33413040

約数和(自身を除く): 12310538

約数列:

[1, 2, 19, 38, 557, 997, 1114, 1994, 10583, 18943, 21166, 37886, 555329, 1110658, 10551251, 21102502]

約数ペア:

[(1, 21102502), (2, 10551251), (19, 1110658), (38, 555329), (557, 37886), (997, 21166), (1114, 18943), (1994, 10583)]