21118914

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3797}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 47399040

約数和(自身を除く): 26280126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3797, 5562, 7594, 11391, 22782, 34173, 68346, 102519, 205038, 391091, 782182, 1173273, 2346546, 3519819, 7039638, 10559457, 21118914]

約数ペア:

[(1, 21118914), (2, 10559457), (3, 7039638), (6, 3519819), (9, 2346546), (18, 1173273), (27, 782182), (54, 391091), (103, 205038), (206, 102519), (309, 68346), (618, 34173), (927, 22782), (1854, 11391), (2781, 7594), (3797, 5562)]