21750660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 47438460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 857, 940, 1269, 1410, 1692, 1714, 2115, 2538, 2571, 2820, 3428, 4230, 4285, 5076, 5142, 6345, 7713, 8460, 8570, 10284, 12690, 12855, 15426, 17140, 23139, 25380, 25710, 30852, 38565, 40279, 46278, 51420, 77130, 80558, 92556, 115695, 120837, 154260, 161116, 201395, 231390, 241674, 362511, 402790, 462780, 483348, 604185, 725022, 805580, 1087533, 1208370, 1450044, 1812555, 2175066, 2416740, 3625110, 4350132, 5437665, 7250220, 10875330, 21750660]

約数ペア:

[(1, 21750660), (2, 10875330), (3, 7250220), (4, 5437665), (5, 4350132), (6, 3625110), (9, 2416740), (10, 2175066), (12, 1812555), (15, 1450044), (18, 1208370), (20, 1087533), (27, 805580), (30, 725022), (36, 604185), (45, 483348), (47, 462780), (54, 402790), (60, 362511), (90, 241674), (94, 231390), (108, 201395), (135, 161116), (141, 154260), (180, 120837), (188, 115695), (235, 92556), (270, 80558), (282, 77130), (423, 51420), (470, 46278), (540, 40279), (564, 38565), (705, 30852), (846, 25710), (857, 25380), (940, 23139), (1269, 17140), (1410, 15426), (1692, 12855), (1714, 12690), (2115, 10284), (2538, 8570), (2571, 8460), (2820, 7713), (3428, 6345), (4230, 5142), (4285, 5076)]