21199212

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10331}}^1$

素因数の和:10363

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 36659988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10331, 20662, 30993, 41324, 61986, 92979, 123972, 185958, 196289, 278937, 371916, 392578, 557874, 588867, 785156, 1115748, 1177734, 1766601, 2355468, 3533202, 5299803, 7066404, 10599606, 21199212]

約数ペア:

[(1, 21199212), (2, 10599606), (3, 7066404), (4, 5299803), (6, 3533202), (9, 2355468), (12, 1766601), (18, 1177734), (19, 1115748), (27, 785156), (36, 588867), (38, 557874), (54, 392578), (57, 371916), (76, 278937), (108, 196289), (114, 185958), (171, 123972), (228, 92979), (342, 61986), (513, 41324), (684, 30993), (1026, 20662), (2052, 10331)]