21555864

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 67476240

約数和(自身を除く): 45920376

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 44, 51, 66, 68, 72, 88, 99, 102, 132, 136, 153, 187, 198, 204, 264, 306, 374, 396, 408, 561, 612, 748, 792, 1122, 1224, 1496, 1601, 1683, 2244, 3202, 3366, 4488, 4803, 6404, 6732, 9606, 12808, 13464, 14409, 17611, 19212, 27217, 28818, 35222, 38424, 52833, 54434, 57636, 70444, 81651, 105666, 108868, 115272, 140888, 158499, 163302, 211332, 217736, 244953, 299387, 316998, 326604, 422664, 489906, 598774, 633996, 653208, 898161, 979812, 1197548, 1267992, 1796322, 1959624, 2395096, 2694483, 3592644, 5388966, 7185288, 10777932, 21555864]

約数ペア:

[(1, 21555864), (2, 10777932), (3, 7185288), (4, 5388966), (6, 3592644), (8, 2694483), (9, 2395096), (11, 1959624), (12, 1796322), (17, 1267992), (18, 1197548), (22, 979812), (24, 898161), (33, 653208), (34, 633996), (36, 598774), (44, 489906), (51, 422664), (66, 326604), (68, 316998), (72, 299387), (88, 244953), (99, 217736), (102, 211332), (132, 163302), (136, 158499), (153, 140888), (187, 115272), (198, 108868), (204, 105666), (264, 81651), (306, 70444), (374, 57636), (396, 54434), (408, 52833), (561, 38424), (612, 35222), (748, 28818), (792, 27217), (1122, 19212), (1224, 17611), (1496, 14409), (1601, 13464), (1683, 12808), (2244, 9606), (3202, 6732), (3366, 6404), (4488, 4803)]