21132917514

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{255173}}^1$

素因数の和:255331

約数の個数: 48

約数和(自身を含む): 47290887072

約数和(自身を除く): 26157969558

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 214, 258, 321, 387, 642, 774, 963, 1926, 4601, 9202, 13803, 27606, 41409, 82818, 255173, 510346, 765519, 1531038, 2296557, 4593114, 10972439, 21944878, 27303511, 32917317, 54607022, 65834634, 81910533, 98751951, 163821066, 197503902, 245731599, 491463198, 1174050973, 2348101946, 3522152919, 7044305838, 10566458757, 21132917514]

約数ペア:

[(1, 21132917514), (2, 10566458757), (3, 7044305838), (6, 3522152919), (9, 2348101946), (18, 1174050973), (43, 491463198), (86, 245731599), (107, 197503902), (129, 163821066), (214, 98751951), (258, 81910533), (321, 65834634), (387, 54607022), (642, 32917317), (774, 27303511), (963, 21944878), (1926, 10972439), (4601, 4593114), (9202, 2296557), (13803, 1531038), (27606, 765519), (41409, 510346), (82818, 255173)]