21699254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1163}}^1$

素因数の和:1675

約数の個数: 16

約数和(自身を含む): 34361280

約数和(自身を除く): 12662026

約数列:

[1, 2, 19, 38, 491, 982, 1163, 2326, 9329, 18658, 22097, 44194, 571033, 1142066, 10849627, 21699254]

約数ペア:

[(1, 21699254), (2, 10849627), (19, 1142066), (38, 571033), (491, 44194), (982, 22097), (1163, 18658), (2326, 9329)]