21246072

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5431}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 53450880

約数和(自身を除く): 32204808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5431, 10862, 16293, 21724, 32586, 43448, 65172, 130344, 885253, 1770506, 2655759, 3541012, 5311518, 7082024, 10623036, 21246072]

約数ペア:

[(1, 21246072), (2, 10623036), (3, 7082024), (4, 5311518), (6, 3541012), (8, 2655759), (12, 1770506), (24, 885253), (163, 130344), (326, 65172), (489, 43448), (652, 32586), (978, 21724), (1304, 16293), (1956, 10862), (3912, 5431)]