21652872

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{2143}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 54286080

約数和(自身を除く): 32633208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 2143, 2526, 3368, 4286, 5052, 6429, 8572, 10104, 12858, 17144, 25716, 51432, 902203, 1804406, 2706609, 3608812, 5413218, 7217624, 10826436, 21652872]

約数ペア:

[(1, 21652872), (2, 10826436), (3, 7217624), (4, 5413218), (6, 3608812), (8, 2706609), (12, 1804406), (24, 902203), (421, 51432), (842, 25716), (1263, 17144), (1684, 12858), (2143, 10104), (2526, 8572), (3368, 6429), (4286, 5052)]