21877812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 61038432

約数和(自身を除く): 39160620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 547, 606, 909, 1094, 1111, 1212, 1641, 1818, 2188, 2222, 3282, 3333, 3636, 4444, 4923, 6017, 6564, 6666, 9846, 9999, 12034, 13332, 18051, 19692, 19998, 24068, 36102, 39996, 54153, 55247, 72204, 108306, 110494, 165741, 216612, 220988, 331482, 497223, 607717, 662964, 994446, 1215434, 1823151, 1988892, 2430868, 3646302, 5469453, 7292604, 10938906, 21877812]

約数ペア:

[(1, 21877812), (2, 10938906), (3, 7292604), (4, 5469453), (6, 3646302), (9, 2430868), (11, 1988892), (12, 1823151), (18, 1215434), (22, 994446), (33, 662964), (36, 607717), (44, 497223), (66, 331482), (99, 220988), (101, 216612), (132, 165741), (198, 110494), (202, 108306), (303, 72204), (396, 55247), (404, 54153), (547, 39996), (606, 36102), (909, 24068), (1094, 19998), (1111, 19692), (1212, 18051), (1641, 13332), (1818, 12034), (2188, 9999), (2222, 9846), (3282, 6666), (3333, 6564), (3636, 6017), (4444, 4923)]