21845580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{673}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 61371744

約数和(自身を除く): 39526164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 541, 673, 1082, 1346, 1623, 2019, 2164, 2692, 2705, 3246, 3365, 4038, 5410, 6492, 6730, 8076, 8115, 10095, 10820, 13460, 16230, 20190, 32460, 40380, 364093, 728186, 1092279, 1456372, 1820465, 2184558, 3640930, 4369116, 5461395, 7281860, 10922790, 21845580]

約数ペア:

[(1, 21845580), (2, 10922790), (3, 7281860), (4, 5461395), (5, 4369116), (6, 3640930), (10, 2184558), (12, 1820465), (15, 1456372), (20, 1092279), (30, 728186), (60, 364093), (541, 40380), (673, 32460), (1082, 20190), (1346, 16230), (1623, 13460), (2019, 10820), (2164, 10095), (2692, 8115), (2705, 8076), (3246, 6730), (3365, 6492), (4038, 5410)]