21860433

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6547}}^1$

素因数の和:6613

約数の個数: 24

約数和(自身を含む): 36773568

約数和(自身を除く): 14913135

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6547, 19641, 45829, 58923, 137487, 346991, 412461, 1040973, 2428937, 3122919, 7286811, 21860433]

約数ペア:

[(1, 21860433), (3, 7286811), (7, 3122919), (9, 2428937), (21, 1040973), (53, 412461), (63, 346991), (159, 137487), (371, 58923), (477, 45829), (1113, 19641), (3339, 6547)]