21432070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 45458496

約数和(自身を除く): 24026426

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 73, 85, 110, 146, 157, 170, 187, 314, 365, 374, 730, 785, 803, 935, 1241, 1570, 1606, 1727, 1870, 2482, 2669, 3454, 4015, 5338, 6205, 8030, 8635, 11461, 12410, 13345, 13651, 17270, 22922, 26690, 27302, 29359, 57305, 58718, 68255, 114610, 126071, 136510, 146795, 194837, 252142, 293590, 389674, 630355, 974185, 1260710, 1948370, 2143207, 4286414, 10716035, 21432070]

約数ペア:

[(1, 21432070), (2, 10716035), (5, 4286414), (10, 2143207), (11, 1948370), (17, 1260710), (22, 974185), (34, 630355), (55, 389674), (73, 293590), (85, 252142), (110, 194837), (146, 146795), (157, 136510), (170, 126071), (187, 114610), (314, 68255), (365, 58718), (374, 57305), (730, 29359), (785, 27302), (803, 26690), (935, 22922), (1241, 17270), (1570, 13651), (1606, 13345), (1727, 12410), (1870, 11461), (2482, 8635), (2669, 8030), (3454, 6205), (4015, 5338)]