21190644

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7451}}^1$

素因数の和:7540

約数の個数: 36

約数和(自身を含む): 54250560

約数和(自身を除く): 33059916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7451, 14902, 22353, 29804, 44706, 67059, 89412, 134118, 268236, 588629, 1177258, 1765887, 2354516, 3531774, 5297661, 7063548, 10595322, 21190644]

約数ペア:

[(1, 21190644), (2, 10595322), (3, 7063548), (4, 5297661), (6, 3531774), (9, 2354516), (12, 1765887), (18, 1177258), (36, 588629), (79, 268236), (158, 134118), (237, 89412), (316, 67059), (474, 44706), (711, 29804), (948, 22353), (1422, 14902), (2844, 7451)]