21191724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 58601088

約数和(自身を除く): 37409364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1116, 1117, 1581, 2108, 2234, 3162, 3351, 4468, 4743, 6324, 6702, 9486, 10053, 13404, 18972, 18989, 20106, 34627, 37978, 40212, 56967, 69254, 75956, 103881, 113934, 138508, 170901, 207762, 227868, 311643, 341802, 415524, 588659, 623286, 683604, 1177318, 1246572, 1765977, 2354636, 3531954, 5297931, 7063908, 10595862, 21191724]

約数ペア:

[(1, 21191724), (2, 10595862), (3, 7063908), (4, 5297931), (6, 3531954), (9, 2354636), (12, 1765977), (17, 1246572), (18, 1177318), (31, 683604), (34, 623286), (36, 588659), (51, 415524), (62, 341802), (68, 311643), (93, 227868), (102, 207762), (124, 170901), (153, 138508), (186, 113934), (204, 103881), (279, 75956), (306, 69254), (372, 56967), (527, 40212), (558, 37978), (612, 34627), (1054, 20106), (1116, 18989), (1117, 18972), (1581, 13404), (2108, 10053), (2234, 9486), (3162, 6702), (3351, 6324), (4468, 4743)]