21373320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 64451520

約数和(自身を除く): 43078200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 643, 831, 1108, 1286, 1385, 1662, 1929, 2216, 2572, 2770, 3215, 3324, 3858, 4155, 5144, 5540, 6430, 6648, 7716, 8310, 9645, 11080, 12860, 15432, 16620, 19290, 25720, 33240, 38580, 77160, 178111, 356222, 534333, 712444, 890555, 1068666, 1424888, 1781110, 2137332, 2671665, 3562220, 4274664, 5343330, 7124440, 10686660, 21373320]

約数ペア:

[(1, 21373320), (2, 10686660), (3, 7124440), (4, 5343330), (5, 4274664), (6, 3562220), (8, 2671665), (10, 2137332), (12, 1781110), (15, 1424888), (20, 1068666), (24, 890555), (30, 712444), (40, 534333), (60, 356222), (120, 178111), (277, 77160), (554, 38580), (643, 33240), (831, 25720), (1108, 19290), (1286, 16620), (1385, 15432), (1662, 12860), (1929, 11080), (2216, 9645), (2572, 8310), (2770, 7716), (3215, 6648), (3324, 6430), (3858, 5540), (4155, 5144)]