21467223

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 31803200

約数和(自身を除く): 10335977

約数列:

[1, 3, 9, 79, 109, 237, 277, 327, 711, 831, 981, 2493, 8611, 21883, 25833, 30193, 65649, 77499, 90579, 196947, 271737, 2385247, 7155741, 21467223]

約数ペア:

[(1, 21467223), (3, 7155741), (9, 2385247), (79, 271737), (109, 196947), (237, 90579), (277, 77499), (327, 65649), (711, 30193), (831, 25833), (981, 21883), (2493, 8611)]