21114968

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12163}}^1$

素因数の和:12207

約数の個数: 32

約数和(自身を含む): 46709760

約数和(自身を除く): 25594792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12163, 24326, 48652, 85141, 97304, 170282, 340564, 377053, 681128, 754106, 1508212, 2639371, 3016424, 5278742, 10557484, 21114968]

約数ペア:

[(1, 21114968), (2, 10557484), (4, 5278742), (7, 3016424), (8, 2639371), (14, 1508212), (28, 754106), (31, 681128), (56, 377053), (62, 340564), (124, 170282), (217, 97304), (248, 85141), (434, 48652), (868, 24326), (1736, 12163)]