21371376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 61558560

約数和(自身を除く): 40187184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 39, 48, 52, 58, 78, 87, 104, 116, 156, 174, 208, 232, 312, 348, 377, 464, 624, 696, 754, 1131, 1181, 1392, 1508, 2262, 2362, 3016, 3543, 4524, 4724, 6032, 7086, 9048, 9448, 14172, 15353, 18096, 18896, 28344, 30706, 34249, 46059, 56688, 61412, 68498, 92118, 102747, 122824, 136996, 184236, 205494, 245648, 273992, 368472, 410988, 445237, 547984, 736944, 821976, 890474, 1335711, 1643952, 1780948, 2671422, 3561896, 5342844, 7123792, 10685688, 21371376]

約数ペア:

[(1, 21371376), (2, 10685688), (3, 7123792), (4, 5342844), (6, 3561896), (8, 2671422), (12, 1780948), (13, 1643952), (16, 1335711), (24, 890474), (26, 821976), (29, 736944), (39, 547984), (48, 445237), (52, 410988), (58, 368472), (78, 273992), (87, 245648), (104, 205494), (116, 184236), (156, 136996), (174, 122824), (208, 102747), (232, 92118), (312, 68498), (348, 61412), (377, 56688), (464, 46059), (624, 34249), (696, 30706), (754, 28344), (1131, 18896), (1181, 18096), (1392, 15353), (1508, 14172), (2262, 9448), (2362, 9048), (3016, 7086), (3543, 6032), (4524, 4724)]