21134490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1153}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 55835136

約数和(自身を除く): 34700646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1153, 1222, 1410, 1833, 2306, 3055, 3459, 3666, 5765, 6110, 6918, 9165, 11530, 14989, 17295, 18330, 29978, 34590, 44967, 54191, 74945, 89934, 108382, 149890, 162573, 224835, 270955, 325146, 449670, 541910, 704483, 812865, 1408966, 1625730, 2113449, 3522415, 4226898, 7044830, 10567245, 21134490]

約数ペア:

[(1, 21134490), (2, 10567245), (3, 7044830), (5, 4226898), (6, 3522415), (10, 2113449), (13, 1625730), (15, 1408966), (26, 812865), (30, 704483), (39, 541910), (47, 449670), (65, 325146), (78, 270955), (94, 224835), (130, 162573), (141, 149890), (195, 108382), (235, 89934), (282, 74945), (390, 54191), (470, 44967), (611, 34590), (705, 29978), (1153, 18330), (1222, 17295), (1410, 14989), (1833, 11530), (2306, 9165), (3055, 6918), (3459, 6110), (3666, 5765)]