21920004

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11939}}^1$

素因数の和:11969

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 38257596

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11939, 23878, 35817, 47756, 71634, 107451, 143268, 202963, 214902, 322353, 405926, 429804, 608889, 644706, 811852, 1217778, 1289412, 1826667, 2435556, 3653334, 5480001, 7306668, 10960002, 21920004]

約数ペア:

[(1, 21920004), (2, 10960002), (3, 7306668), (4, 5480001), (6, 3653334), (9, 2435556), (12, 1826667), (17, 1289412), (18, 1217778), (27, 811852), (34, 644706), (36, 608889), (51, 429804), (54, 405926), (68, 322353), (102, 214902), (108, 202963), (153, 143268), (204, 107451), (306, 71634), (459, 47756), (612, 35817), (918, 23878), (1836, 11939)]