21513120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44819}}^1$

素因数の和:44837

約数の個数: 48

約数和(自身を含む): 67767840

約数和(自身を除く): 46254720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44819, 89638, 134457, 179276, 224095, 268914, 358552, 448190, 537828, 672285, 717104, 896380, 1075656, 1344570, 1434208, 1792760, 2151312, 2689140, 3585520, 4302624, 5378280, 7171040, 10756560, 21513120]

約数ペア:

[(1, 21513120), (2, 10756560), (3, 7171040), (4, 5378280), (5, 4302624), (6, 3585520), (8, 2689140), (10, 2151312), (12, 1792760), (15, 1434208), (16, 1344570), (20, 1075656), (24, 896380), (30, 717104), (32, 672285), (40, 537828), (48, 448190), (60, 358552), (80, 268914), (96, 224095), (120, 179276), (160, 134457), (240, 89638), (480, 44819)]