21417466

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17151494

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 809, 854, 1618, 1891, 3782, 5663, 11326, 13237, 25079, 26474, 49349, 50158, 98698, 175553, 345443, 351106, 690886, 1529819, 3059638, 10708733, 21417466]

約数ペア:

[(1, 21417466), (2, 10708733), (7, 3059638), (14, 1529819), (31, 690886), (61, 351106), (62, 345443), (122, 175553), (217, 98698), (427, 50158), (434, 49349), (809, 26474), (854, 25079), (1618, 13237), (1891, 11326), (3782, 5663)]