21472486

素因数分解:

$2^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 38030400

約数和(自身を除く): 16557914

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 277, 343, 554, 686, 791, 1582, 1939, 3878, 5537, 11074, 13573, 27146, 31301, 38759, 62602, 77518, 95011, 190022, 219107, 438214, 1533749, 3067498, 10736243, 21472486]

約数ペア:

[(1, 21472486), (2, 10736243), (7, 3067498), (14, 1533749), (49, 438214), (98, 219107), (113, 190022), (226, 95011), (277, 77518), (343, 62602), (554, 38759), (686, 31301), (791, 27146), (1582, 13573), (1939, 11074), (3878, 5537)]