21842760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{953}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 44097720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 953, 955, 1146, 1528, 1906, 1910, 2292, 2859, 2865, 3812, 3820, 4584, 4765, 5718, 5730, 7624, 7640, 9530, 11436, 11460, 14295, 19060, 22872, 22920, 28590, 38120, 57180, 114360, 182023, 364046, 546069, 728092, 910115, 1092138, 1456184, 1820230, 2184276, 2730345, 3640460, 4368552, 5460690, 7280920, 10921380, 21842760]

約数ペア:

[(1, 21842760), (2, 10921380), (3, 7280920), (4, 5460690), (5, 4368552), (6, 3640460), (8, 2730345), (10, 2184276), (12, 1820230), (15, 1456184), (20, 1092138), (24, 910115), (30, 728092), (40, 546069), (60, 364046), (120, 182023), (191, 114360), (382, 57180), (573, 38120), (764, 28590), (953, 22920), (955, 22872), (1146, 19060), (1528, 14295), (1906, 11460), (1910, 11436), (2292, 9530), (2859, 7640), (2865, 7624), (3812, 5730), (3820, 5718), (4584, 4765)]