21038412

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 30145812

約数列:

[1, 2, 3, 4, 6, 12, 41, 61, 82, 122, 123, 164, 183, 244, 246, 366, 492, 701, 732, 1402, 2103, 2501, 2804, 4206, 5002, 7503, 8412, 10004, 15006, 28741, 30012, 42761, 57482, 85522, 86223, 114964, 128283, 171044, 172446, 256566, 344892, 513132, 1753201, 3506402, 5259603, 7012804, 10519206, 21038412]

約数ペア:

[(1, 21038412), (2, 10519206), (3, 7012804), (4, 5259603), (6, 3506402), (12, 1753201), (41, 513132), (61, 344892), (82, 256566), (122, 172446), (123, 171044), (164, 128283), (183, 114964), (244, 86223), (246, 85522), (366, 57482), (492, 42761), (701, 30012), (732, 28741), (1402, 15006), (2103, 10004), (2501, 8412), (2804, 7503), (4206, 5002)]