21181800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 96

約数和(自身を含む): 67272480

約数和(自身を除く): 46090680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 129, 150, 172, 200, 215, 258, 300, 344, 430, 516, 600, 645, 821, 860, 1032, 1075, 1290, 1642, 1720, 2150, 2463, 2580, 3225, 3284, 4105, 4300, 4926, 5160, 6450, 6568, 8210, 8600, 9852, 12315, 12900, 16420, 19704, 20525, 24630, 25800, 32840, 35303, 41050, 49260, 61575, 70606, 82100, 98520, 105909, 123150, 141212, 164200, 176515, 211818, 246300, 282424, 353030, 423636, 492600, 529545, 706060, 847272, 882575, 1059090, 1412120, 1765150, 2118180, 2647725, 3530300, 4236360, 5295450, 7060600, 10590900, 21181800]

約数ペア:

[(1, 21181800), (2, 10590900), (3, 7060600), (4, 5295450), (5, 4236360), (6, 3530300), (8, 2647725), (10, 2118180), (12, 1765150), (15, 1412120), (20, 1059090), (24, 882575), (25, 847272), (30, 706060), (40, 529545), (43, 492600), (50, 423636), (60, 353030), (75, 282424), (86, 246300), (100, 211818), (120, 176515), (129, 164200), (150, 141212), (172, 123150), (200, 105909), (215, 98520), (258, 82100), (300, 70606), (344, 61575), (430, 49260), (516, 41050), (600, 35303), (645, 32840), (821, 25800), (860, 24630), (1032, 20525), (1075, 19704), (1290, 16420), (1642, 12900), (1720, 12315), (2150, 9852), (2463, 8600), (2580, 8210), (3225, 6568), (3284, 6450), (4105, 5160), (4300, 4926)]