21553372078

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1\times {\mathrm{24907}}^1$

素因数の和:25576

約数の個数: 32

約数和(自身を含む): 37345261824

約数和(自身を除く): 15791889746

約数列:

[1, 2, 7, 14, 113, 226, 547, 791, 1094, 1582, 3829, 7658, 24907, 49814, 61811, 123622, 174349, 348698, 432677, 865354, 2814491, 5628982, 13624129, 19701437, 27248258, 39402874, 95368903, 190737806, 1539526577, 3079053154, 10776686039, 21553372078]

約数ペア:

[(1, 21553372078), (2, 10776686039), (7, 3079053154), (14, 1539526577), (113, 190737806), (226, 95368903), (547, 39402874), (791, 27248258), (1094, 19701437), (1582, 13624129), (3829, 5628982), (7658, 2814491), (24907, 865354), (49814, 432677), (61811, 348698), (123622, 174349)]