21902238

素因数分解:

$2^1\times 3^4\times {\mathrm{353}}^1\times {\mathrm{383}}^1$

素因数の和:750

約数の個数: 40

約数和(自身を含む): 49344768

約数和(自身を除く): 27442530

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 353, 383, 706, 766, 1059, 1149, 2118, 2298, 3177, 3447, 6354, 6894, 9531, 10341, 19062, 20682, 28593, 31023, 57186, 62046, 135199, 270398, 405597, 811194, 1216791, 2433582, 3650373, 7300746, 10951119, 21902238]

約数ペア:

[(1, 21902238), (2, 10951119), (3, 7300746), (6, 3650373), (9, 2433582), (18, 1216791), (27, 811194), (54, 405597), (81, 270398), (162, 135199), (353, 62046), (383, 57186), (706, 31023), (766, 28593), (1059, 20682), (1149, 19062), (2118, 10341), (2298, 9531), (3177, 6894), (3447, 6354)]