21673262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 37420320

約数和(自身を除く): 15747058

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 601, 949, 1202, 1387, 1898, 2774, 7813, 11419, 15626, 18031, 22838, 36062, 43873, 87746, 148447, 296894, 570349, 833587, 1140698, 1667174, 10836631, 21673262]

約数ペア:

[(1, 21673262), (2, 10836631), (13, 1667174), (19, 1140698), (26, 833587), (38, 570349), (73, 296894), (146, 148447), (247, 87746), (494, 43873), (601, 36062), (949, 22838), (1202, 18031), (1387, 15626), (1898, 11419), (2774, 7813)]