21203118

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 26813682

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 151, 174, 261, 269, 302, 453, 522, 538, 807, 906, 1359, 1614, 2421, 2718, 4379, 4842, 7801, 8758, 13137, 15602, 23403, 26274, 39411, 40619, 46806, 70209, 78822, 81238, 121857, 140418, 243714, 365571, 731142, 1177951, 2355902, 3533853, 7067706, 10601559, 21203118]

約数ペア:

[(1, 21203118), (2, 10601559), (3, 7067706), (6, 3533853), (9, 2355902), (18, 1177951), (29, 731142), (58, 365571), (87, 243714), (151, 140418), (174, 121857), (261, 81238), (269, 78822), (302, 70209), (453, 46806), (522, 40619), (538, 39411), (807, 26274), (906, 23403), (1359, 15602), (1614, 13137), (2421, 8758), (2718, 7801), (4379, 4842)]