21341640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5737}}^1$

素因数の和:5782

約数の個数: 64

約数和(自身を含む): 66101760

約数和(自身を除く): 44760120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5737, 11474, 17211, 22948, 28685, 34422, 45896, 57370, 68844, 86055, 114740, 137688, 172110, 177847, 229480, 344220, 355694, 533541, 688440, 711388, 889235, 1067082, 1422776, 1778470, 2134164, 2667705, 3556940, 4268328, 5335410, 7113880, 10670820, 21341640]

約数ペア:

[(1, 21341640), (2, 10670820), (3, 7113880), (4, 5335410), (5, 4268328), (6, 3556940), (8, 2667705), (10, 2134164), (12, 1778470), (15, 1422776), (20, 1067082), (24, 889235), (30, 711388), (31, 688440), (40, 533541), (60, 355694), (62, 344220), (93, 229480), (120, 177847), (124, 172110), (155, 137688), (186, 114740), (248, 86055), (310, 68844), (372, 57370), (465, 45896), (620, 34422), (744, 28685), (930, 22948), (1240, 17211), (1860, 11474), (3720, 5737)]