21261120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22147}}^1$

素因数の和:22167

約数の個数: 56

約数和(自身を含む): 67507104

約数和(自身を除く): 46245984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22147, 44294, 66441, 88588, 110735, 132882, 177176, 221470, 265764, 332205, 354352, 442940, 531528, 664410, 708704, 885880, 1063056, 1328820, 1417408, 1771760, 2126112, 2657640, 3543520, 4252224, 5315280, 7087040, 10630560, 21261120]

約数ペア:

[(1, 21261120), (2, 10630560), (3, 7087040), (4, 5315280), (5, 4252224), (6, 3543520), (8, 2657640), (10, 2126112), (12, 1771760), (15, 1417408), (16, 1328820), (20, 1063056), (24, 885880), (30, 708704), (32, 664410), (40, 531528), (48, 442940), (60, 354352), (64, 332205), (80, 265764), (96, 221470), (120, 177176), (160, 132882), (192, 110735), (240, 88588), (320, 66441), (480, 44294), (960, 22147)]