21000503490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9589271}}^1$

素因数の和:9589354

約数の個数: 32

約数和(自身を含む): 51091641216

約数和(自身を除く): 30091137726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9589271, 19178542, 28767813, 47946355, 57535626, 95892710, 143839065, 287678130, 700016783, 1400033566, 2100050349, 3500083915, 4200100698, 7000167830, 10500251745, 21000503490]

約数ペア:

[(1, 21000503490), (2, 10500251745), (3, 7000167830), (5, 4200100698), (6, 3500083915), (10, 2100050349), (15, 1400033566), (30, 700016783), (73, 287678130), (146, 143839065), (219, 95892710), (365, 57535626), (438, 47946355), (730, 28767813), (1095, 19178542), (2190, 9589271)]