21338898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8329}}^1$

素因数の和:8402

約数の個数: 32

約数和(自身を含む): 49580160

約数和(自身を除く): 28241262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8329, 16658, 24987, 49974, 58303, 116606, 174909, 349818, 508069, 1016138, 1524207, 3048414, 3556483, 7112966, 10669449, 21338898]

約数ペア:

[(1, 21338898), (2, 10669449), (3, 7112966), (6, 3556483), (7, 3048414), (14, 1524207), (21, 1016138), (42, 508069), (61, 349818), (122, 174909), (183, 116606), (366, 58303), (427, 49974), (854, 24987), (1281, 16658), (2562, 8329)]