21408372

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{34981}}^1$

素因数の和:35008

約数の個数: 36

約数和(自身を含む): 57300516

約数和(自身を除く): 35892144

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 34981, 69962, 104943, 139924, 209886, 314829, 419772, 594677, 629658, 1189354, 1259316, 1784031, 2378708, 3568062, 5352093, 7136124, 10704186, 21408372]

約数ペア:

[(1, 21408372), (2, 10704186), (3, 7136124), (4, 5352093), (6, 3568062), (9, 2378708), (12, 1784031), (17, 1259316), (18, 1189354), (34, 629658), (36, 594677), (51, 419772), (68, 314829), (102, 209886), (153, 139924), (204, 104943), (306, 69962), (612, 34981)]