21167690031

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{216791}}^1$

素因数の和:217387

約数の個数: 24

約数和(自身を含む): 32241306240

約数和(自身を除く): 11073616209

約数列:

[1, 3, 9, 19, 57, 171, 571, 1713, 5139, 10849, 32547, 97641, 216791, 650373, 1951119, 4119029, 12357087, 37071261, 123787661, 371362983, 1114088949, 2351965559, 7055896677, 21167690031]

約数ペア:

[(1, 21167690031), (3, 7055896677), (9, 2351965559), (19, 1114088949), (57, 371362983), (171, 123787661), (571, 37071261), (1713, 12357087), (5139, 4119029), (10849, 1951119), (32547, 650373), (97641, 216791)]