21429780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{619}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 60204480

約数和(自身を除く): 38774700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 577, 619, 1154, 1238, 1731, 1857, 2308, 2476, 2885, 3095, 3462, 3714, 5770, 6190, 6924, 7428, 8655, 9285, 11540, 12380, 17310, 18570, 34620, 37140, 357163, 714326, 1071489, 1428652, 1785815, 2142978, 3571630, 4285956, 5357445, 7143260, 10714890, 21429780]

約数ペア:

[(1, 21429780), (2, 10714890), (3, 7143260), (4, 5357445), (5, 4285956), (6, 3571630), (10, 2142978), (12, 1785815), (15, 1428652), (20, 1071489), (30, 714326), (60, 357163), (577, 37140), (619, 34620), (1154, 18570), (1238, 17310), (1731, 12380), (1857, 11540), (2308, 9285), (2476, 8655), (2885, 7428), (3095, 6924), (3462, 6190), (3714, 5770)]