21769131

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2531}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 30140928

約数和(自身を除く): 8371797

約数列:

[1, 3, 47, 61, 141, 183, 2531, 2867, 7593, 8601, 118957, 154391, 356871, 463173, 7256377, 21769131]

約数ペア:

[(1, 21769131), (3, 7256377), (47, 463173), (61, 356871), (141, 154391), (183, 118957), (2531, 8601), (2867, 7593)]