21815514

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57713}}^1$

素因数の和:57731

約数の個数: 32

約数和(自身を含む): 55405440

約数和(自身を除く): 33589926

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57713, 115426, 173139, 346278, 403991, 519417, 807982, 1038834, 1211973, 1558251, 2423946, 3116502, 3635919, 7271838, 10907757, 21815514]

約数ペア:

[(1, 21815514), (2, 10907757), (3, 7271838), (6, 3635919), (7, 3116502), (9, 2423946), (14, 1558251), (18, 1211973), (21, 1038834), (27, 807982), (42, 519417), (54, 403991), (63, 346278), (126, 173139), (189, 115426), (378, 57713)]