21859560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 72825480

約数和(自身を除く): 50965920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1481, 1640, 1845, 2460, 2952, 2962, 3690, 4443, 4920, 5924, 7380, 7405, 8886, 11848, 13329, 14760, 14810, 17772, 22215, 26658, 29620, 35544, 44430, 53316, 59240, 60721, 66645, 88860, 106632, 121442, 133290, 177720, 182163, 242884, 266580, 303605, 364326, 485768, 533160, 546489, 607210, 728652, 910815, 1092978, 1214420, 1457304, 1821630, 2185956, 2428840, 2732445, 3643260, 4371912, 5464890, 7286520, 10929780, 21859560]

約数ペア:

[(1, 21859560), (2, 10929780), (3, 7286520), (4, 5464890), (5, 4371912), (6, 3643260), (8, 2732445), (9, 2428840), (10, 2185956), (12, 1821630), (15, 1457304), (18, 1214420), (20, 1092978), (24, 910815), (30, 728652), (36, 607210), (40, 546489), (41, 533160), (45, 485768), (60, 364326), (72, 303605), (82, 266580), (90, 242884), (120, 182163), (123, 177720), (164, 133290), (180, 121442), (205, 106632), (246, 88860), (328, 66645), (360, 60721), (369, 59240), (410, 53316), (492, 44430), (615, 35544), (738, 29620), (820, 26658), (984, 22215), (1230, 17772), (1476, 14810), (1481, 14760), (1640, 13329), (1845, 11848), (2460, 8886), (2952, 7405), (2962, 7380), (3690, 5924), (4443, 4920)]