21162840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176357}}^1$

素因数の和:176371

約数の個数: 32

約数和(自身を含む): 63488880

約数和(自身を除く): 42326040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176357, 352714, 529071, 705428, 881785, 1058142, 1410856, 1763570, 2116284, 2645355, 3527140, 4232568, 5290710, 7054280, 10581420, 21162840]

約数ペア:

[(1, 21162840), (2, 10581420), (3, 7054280), (4, 5290710), (5, 4232568), (6, 3527140), (8, 2645355), (10, 2116284), (12, 1763570), (15, 1410856), (20, 1058142), (24, 881785), (30, 705428), (40, 529071), (60, 352714), (120, 176357)]