21336184

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 41587200

約数和(自身を除く): 20251016

約数列:

[1, 2, 4, 8, 31, 62, 124, 227, 248, 379, 454, 758, 908, 1516, 1816, 3032, 7037, 11749, 14074, 23498, 28148, 46996, 56296, 86033, 93992, 172066, 344132, 688264, 2667023, 5334046, 10668092, 21336184]

約数ペア:

[(1, 21336184), (2, 10668092), (4, 5334046), (8, 2667023), (31, 688264), (62, 344132), (124, 172066), (227, 93992), (248, 86033), (379, 56296), (454, 46996), (758, 28148), (908, 23498), (1516, 14074), (1816, 11749), (3032, 7037)]