21233560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14347}}^1$

素因数の和:14395

約数の個数: 32

約数和(自身を含む): 49070160

約数和(自身を除く): 27836600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14347, 28694, 57388, 71735, 114776, 143470, 286940, 530839, 573880, 1061678, 2123356, 2654195, 4246712, 5308390, 10616780, 21233560]

約数ペア:

[(1, 21233560), (2, 10616780), (4, 5308390), (5, 4246712), (8, 2654195), (10, 2123356), (20, 1061678), (37, 573880), (40, 530839), (74, 286940), (148, 143470), (185, 114776), (296, 71735), (370, 57388), (740, 28694), (1480, 14347)]