21620536

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1657}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 46556640

約数和(自身を除く): 24936104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1631, 1657, 1864, 3262, 3314, 6524, 6628, 11599, 13048, 13256, 23198, 46396, 92792, 386081, 772162, 1544324, 2702567, 3088648, 5405134, 10810268, 21620536]

約数ペア:

[(1, 21620536), (2, 10810268), (4, 5405134), (7, 3088648), (8, 2702567), (14, 1544324), (28, 772162), (56, 386081), (233, 92792), (466, 46396), (932, 23198), (1631, 13256), (1657, 13048), (1864, 11599), (3262, 6628), (3314, 6524)]