21806628816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{642581}}^1$

素因数の和:642700

約数の個数: 80

約数和(自身を含む): 65019017088

約数和(自身を除く): 43212388272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 101, 112, 168, 202, 303, 336, 404, 606, 707, 808, 1212, 1414, 1616, 2121, 2424, 2828, 4242, 4848, 5656, 8484, 11312, 16968, 33936, 642581, 1285162, 1927743, 2570324, 3855486, 4498067, 5140648, 7710972, 8996134, 10281296, 13494201, 15421944, 17992268, 26988402, 30843888, 35984536, 53976804, 64900681, 71969072, 107953608, 129801362, 194702043, 215907216, 259602724, 389404086, 454304767, 519205448, 778808172, 908609534, 1038410896, 1362914301, 1557616344, 1817219068, 2725828602, 3115232688, 3634438136, 5451657204, 7268876272, 10903314408, 21806628816]

約数ペア:

[(1, 21806628816), (2, 10903314408), (3, 7268876272), (4, 5451657204), (6, 3634438136), (7, 3115232688), (8, 2725828602), (12, 1817219068), (14, 1557616344), (16, 1362914301), (21, 1038410896), (24, 908609534), (28, 778808172), (42, 519205448), (48, 454304767), (56, 389404086), (84, 259602724), (101, 215907216), (112, 194702043), (168, 129801362), (202, 107953608), (303, 71969072), (336, 64900681), (404, 53976804), (606, 35984536), (707, 30843888), (808, 26988402), (1212, 17992268), (1414, 15421944), (1616, 13494201), (2121, 10281296), (2424, 8996134), (2828, 7710972), (4242, 5140648), (4848, 4498067), (5656, 3855486), (8484, 2570324), (11312, 1927743), (16968, 1285162), (33936, 642581)]