21903498

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 49959936

約数和(自身を除く): 28056438

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 191, 207, 277, 382, 414, 554, 573, 831, 1146, 1662, 1719, 2493, 3438, 4393, 4986, 6371, 8786, 12742, 13179, 19113, 26358, 38226, 39537, 52907, 57339, 79074, 105814, 114678, 158721, 317442, 476163, 952326, 1216861, 2433722, 3650583, 7301166, 10951749, 21903498]

約数ペア:

[(1, 21903498), (2, 10951749), (3, 7301166), (6, 3650583), (9, 2433722), (18, 1216861), (23, 952326), (46, 476163), (69, 317442), (138, 158721), (191, 114678), (207, 105814), (277, 79074), (382, 57339), (414, 52907), (554, 39537), (573, 38226), (831, 26358), (1146, 19113), (1662, 13179), (1719, 12742), (2493, 8786), (3438, 6371), (4393, 4986)]