21750240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 96

約数和(自身を含む): 69291936

約数和(自身を除く): 47541696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 113, 120, 160, 226, 240, 339, 401, 452, 480, 565, 678, 802, 904, 1130, 1203, 1356, 1604, 1695, 1808, 2005, 2260, 2406, 2712, 3208, 3390, 3616, 4010, 4520, 4812, 5424, 6015, 6416, 6780, 8020, 9040, 9624, 10848, 12030, 12832, 13560, 16040, 18080, 19248, 24060, 27120, 32080, 38496, 45313, 48120, 54240, 64160, 90626, 96240, 135939, 181252, 192480, 226565, 271878, 362504, 453130, 543756, 679695, 725008, 906260, 1087512, 1359390, 1450016, 1812520, 2175024, 2718780, 3625040, 4350048, 5437560, 7250080, 10875120, 21750240]

約数ペア:

[(1, 21750240), (2, 10875120), (3, 7250080), (4, 5437560), (5, 4350048), (6, 3625040), (8, 2718780), (10, 2175024), (12, 1812520), (15, 1450016), (16, 1359390), (20, 1087512), (24, 906260), (30, 725008), (32, 679695), (40, 543756), (48, 453130), (60, 362504), (80, 271878), (96, 226565), (113, 192480), (120, 181252), (160, 135939), (226, 96240), (240, 90626), (339, 64160), (401, 54240), (452, 48120), (480, 45313), (565, 38496), (678, 32080), (802, 27120), (904, 24060), (1130, 19248), (1203, 18080), (1356, 16040), (1604, 13560), (1695, 12832), (1808, 12030), (2005, 10848), (2260, 9624), (2406, 9040), (2712, 8020), (3208, 6780), (3390, 6416), (3616, 6015), (4010, 5424), (4520, 4812)]