21093070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 39880512

約数和(自身を除く): 18787442

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 293, 313, 586, 626, 1465, 1565, 2930, 3130, 6739, 7199, 13478, 14398, 33695, 35995, 67390, 71990, 91709, 183418, 458545, 917090, 2109307, 4218614, 10546535, 21093070]

約数ペア:

[(1, 21093070), (2, 10546535), (5, 4218614), (10, 2109307), (23, 917090), (46, 458545), (115, 183418), (230, 91709), (293, 71990), (313, 67390), (586, 35995), (626, 33695), (1465, 14398), (1565, 13478), (2930, 7199), (3130, 6739)]