21065610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9619}}^1$

素因数の和:9702

約数の個数: 32

約数和(自身を含む): 51255360

約数和(自身を除く): 30189750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9619, 19238, 28857, 48095, 57714, 96190, 144285, 288570, 702187, 1404374, 2106561, 3510935, 4213122, 7021870, 10532805, 21065610]

約数ペア:

[(1, 21065610), (2, 10532805), (3, 7021870), (5, 4213122), (6, 3510935), (10, 2106561), (15, 1404374), (30, 702187), (73, 288570), (146, 144285), (219, 96190), (365, 57714), (438, 48095), (730, 28857), (1095, 19238), (2190, 9619)]