21066120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 69076800

約数和(自身を除く): 48010680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 163, 180, 326, 359, 360, 489, 652, 718, 815, 978, 1077, 1304, 1436, 1467, 1630, 1795, 1956, 2154, 2445, 2872, 2934, 3231, 3260, 3590, 3912, 4308, 4890, 5385, 5868, 6462, 6520, 7180, 7335, 8616, 9780, 10770, 11736, 12924, 14360, 14670, 16155, 19560, 21540, 25848, 29340, 32310, 43080, 58517, 58680, 64620, 117034, 129240, 175551, 234068, 292585, 351102, 468136, 526653, 585170, 702204, 877755, 1053306, 1170340, 1404408, 1755510, 2106612, 2340680, 2633265, 3511020, 4213224, 5266530, 7022040, 10533060, 21066120]

約数ペア:

[(1, 21066120), (2, 10533060), (3, 7022040), (4, 5266530), (5, 4213224), (6, 3511020), (8, 2633265), (9, 2340680), (10, 2106612), (12, 1755510), (15, 1404408), (18, 1170340), (20, 1053306), (24, 877755), (30, 702204), (36, 585170), (40, 526653), (45, 468136), (60, 351102), (72, 292585), (90, 234068), (120, 175551), (163, 129240), (180, 117034), (326, 64620), (359, 58680), (360, 58517), (489, 43080), (652, 32310), (718, 29340), (815, 25848), (978, 21540), (1077, 19560), (1304, 16155), (1436, 14670), (1467, 14360), (1630, 12924), (1795, 11736), (1956, 10770), (2154, 9780), (2445, 8616), (2872, 7335), (2934, 7180), (3231, 6520), (3260, 6462), (3590, 5868), (3912, 5385), (4308, 4890)]