21657096

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 60801390

約数和(自身を除く): 39144294

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 313, 372, 558, 626, 744, 939, 961, 1116, 1252, 1878, 1922, 2232, 2504, 2817, 2883, 3756, 3844, 5634, 5766, 7512, 7688, 8649, 9703, 11268, 11532, 17298, 19406, 22536, 23064, 29109, 34596, 38812, 58218, 69192, 77624, 87327, 116436, 174654, 232872, 300793, 349308, 601586, 698616, 902379, 1203172, 1804758, 2406344, 2707137, 3609516, 5414274, 7219032, 10828548, 21657096]

約数ペア:

[(1, 21657096), (2, 10828548), (3, 7219032), (4, 5414274), (6, 3609516), (8, 2707137), (9, 2406344), (12, 1804758), (18, 1203172), (24, 902379), (31, 698616), (36, 601586), (62, 349308), (72, 300793), (93, 232872), (124, 174654), (186, 116436), (248, 87327), (279, 77624), (313, 69192), (372, 58218), (558, 38812), (626, 34596), (744, 29109), (939, 23064), (961, 22536), (1116, 19406), (1252, 17298), (1878, 11532), (1922, 11268), (2232, 9703), (2504, 8649), (2817, 7688), (2883, 7512), (3756, 5766), (3844, 5634)]