21063480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{919}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 42526920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 919, 955, 1146, 1528, 1838, 1910, 2292, 2757, 2865, 3676, 3820, 4584, 4595, 5514, 5730, 7352, 7640, 9190, 11028, 11460, 13785, 18380, 22056, 22920, 27570, 36760, 55140, 110280, 175529, 351058, 526587, 702116, 877645, 1053174, 1404232, 1755290, 2106348, 2632935, 3510580, 4212696, 5265870, 7021160, 10531740, 21063480]

約数ペア:

[(1, 21063480), (2, 10531740), (3, 7021160), (4, 5265870), (5, 4212696), (6, 3510580), (8, 2632935), (10, 2106348), (12, 1755290), (15, 1404232), (20, 1053174), (24, 877645), (30, 702116), (40, 526587), (60, 351058), (120, 175529), (191, 110280), (382, 55140), (573, 36760), (764, 27570), (919, 22920), (955, 22056), (1146, 18380), (1528, 13785), (1838, 11460), (1910, 11028), (2292, 9190), (2757, 7640), (2865, 7352), (3676, 5730), (3820, 5514), (4584, 4595)]