21702480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2964

約数の個数: 80

約数和(自身を含む): 69471744

約数和(自身を除く): 47769264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2917, 3720, 5834, 7440, 8751, 11668, 14585, 17502, 23336, 29170, 35004, 43755, 46672, 58340, 70008, 87510, 90427, 116680, 140016, 175020, 180854, 233360, 271281, 350040, 361708, 452135, 542562, 700080, 723416, 904270, 1085124, 1356405, 1446832, 1808540, 2170248, 2712810, 3617080, 4340496, 5425620, 7234160, 10851240, 21702480]

約数ペア:

[(1, 21702480), (2, 10851240), (3, 7234160), (4, 5425620), (5, 4340496), (6, 3617080), (8, 2712810), (10, 2170248), (12, 1808540), (15, 1446832), (16, 1356405), (20, 1085124), (24, 904270), (30, 723416), (31, 700080), (40, 542562), (48, 452135), (60, 361708), (62, 350040), (80, 271281), (93, 233360), (120, 180854), (124, 175020), (155, 140016), (186, 116680), (240, 90427), (248, 87510), (310, 70008), (372, 58340), (465, 46672), (496, 43755), (620, 35004), (744, 29170), (930, 23336), (1240, 17502), (1488, 14585), (1860, 11668), (2480, 8751), (2917, 7440), (3720, 5834)]