21381919248

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10359457}}^1$

素因数の和:10359511

約数の個数: 40

約数和(自身を含む): 56521202848

約数和(自身を除く): 35139283600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10359457, 20718914, 31078371, 41437828, 62156742, 82875656, 124313484, 165751312, 248626968, 445456651, 497253936, 890913302, 1336369953, 1781826604, 2672739906, 3563653208, 5345479812, 7127306416, 10690959624, 21381919248]

約数ペア:

[(1, 21381919248), (2, 10690959624), (3, 7127306416), (4, 5345479812), (6, 3563653208), (8, 2672739906), (12, 1781826604), (16, 1336369953), (24, 890913302), (43, 497253936), (48, 445456651), (86, 248626968), (129, 165751312), (172, 124313484), (258, 82875656), (344, 62156742), (516, 41437828), (688, 31078371), (1032, 20718914), (2064, 10359457)]