21930270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 56471040

約数和(自身を除く): 34540770

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 859, 1110, 1702, 1718, 2553, 2577, 4255, 4295, 5106, 5154, 8510, 8590, 12765, 12885, 19757, 25530, 25770, 31783, 39514, 59271, 63566, 95349, 98785, 118542, 158915, 190698, 197570, 296355, 317830, 476745, 592710, 731009, 953490, 1462018, 2193027, 3655045, 4386054, 7310090, 10965135, 21930270]

約数ペア:

[(1, 21930270), (2, 10965135), (3, 7310090), (5, 4386054), (6, 3655045), (10, 2193027), (15, 1462018), (23, 953490), (30, 731009), (37, 592710), (46, 476745), (69, 317830), (74, 296355), (111, 197570), (115, 190698), (138, 158915), (185, 118542), (222, 98785), (230, 95349), (345, 63566), (370, 59271), (555, 39514), (690, 31783), (851, 25770), (859, 25530), (1110, 19757), (1702, 12885), (1718, 12765), (2553, 8590), (2577, 8510), (4255, 5154), (4295, 5106)]