21717468

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3701}}^1$

素因数の和:3874

約数の個数: 36

約数和(自身を含む): 55248648

約数和(自身を除く): 33531180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3701, 5868, 7402, 11103, 14804, 22206, 33309, 44412, 66618, 133236, 603263, 1206526, 1809789, 2413052, 3619578, 5429367, 7239156, 10858734, 21717468]

約数ペア:

[(1, 21717468), (2, 10858734), (3, 7239156), (4, 5429367), (6, 3619578), (9, 2413052), (12, 1809789), (18, 1206526), (36, 603263), (163, 133236), (326, 66618), (489, 44412), (652, 33309), (978, 22206), (1467, 14804), (1956, 11103), (2934, 7402), (3701, 5868)]