21798618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 45864576

約数和(自身を除く): 24065958

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 1153, 2306, 3151, 3459, 6302, 6918, 9453, 18906, 26519, 53038, 79557, 157961, 159114, 315922, 473883, 947766, 3633103, 7266206, 10899309, 21798618]

約数ペア:

[(1, 21798618), (2, 10899309), (3, 7266206), (6, 3633103), (23, 947766), (46, 473883), (69, 315922), (137, 159114), (138, 157961), (274, 79557), (411, 53038), (822, 26519), (1153, 18906), (2306, 9453), (3151, 6918), (3459, 6302)]