21442575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 45711360

約数和(自身を除く): 24268785

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 47, 55, 75, 77, 79, 105, 141, 165, 175, 231, 235, 237, 275, 329, 385, 395, 517, 525, 553, 705, 825, 869, 987, 1155, 1175, 1185, 1551, 1645, 1659, 1925, 1975, 2585, 2607, 2765, 3525, 3619, 3713, 4345, 4935, 5775, 5925, 6083, 7755, 8225, 8295, 10857, 11139, 12925, 13035, 13825, 18095, 18249, 18565, 21725, 24675, 25991, 30415, 38775, 40843, 41475, 54285, 55695, 65175, 77973, 90475, 91245, 92825, 122529, 129955, 152075, 204215, 271425, 278475, 285901, 389865, 456225, 612645, 649775, 857703, 1021075, 1429505, 1949325, 3063225, 4288515, 7147525, 21442575]

約数ペア:

[(1, 21442575), (3, 7147525), (5, 4288515), (7, 3063225), (11, 1949325), (15, 1429505), (21, 1021075), (25, 857703), (33, 649775), (35, 612645), (47, 456225), (55, 389865), (75, 285901), (77, 278475), (79, 271425), (105, 204215), (141, 152075), (165, 129955), (175, 122529), (231, 92825), (235, 91245), (237, 90475), (275, 77973), (329, 65175), (385, 55695), (395, 54285), (517, 41475), (525, 40843), (553, 38775), (705, 30415), (825, 25991), (869, 24675), (987, 21725), (1155, 18565), (1175, 18249), (1185, 18095), (1551, 13825), (1645, 13035), (1659, 12925), (1925, 11139), (1975, 10857), (2585, 8295), (2607, 8225), (2765, 7755), (3525, 6083), (3619, 5925), (3713, 5775), (4345, 4935)]