21408678

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23321}}^1$

素因数の和:23349

約数の個数: 32

約数和(自身を含む): 50375520

約数和(自身を除く): 28966842

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 23321, 46642, 69963, 139926, 209889, 396457, 419778, 629667, 792914, 1189371, 1259334, 2378742, 3568113, 7136226, 10704339, 21408678]

約数ペア:

[(1, 21408678), (2, 10704339), (3, 7136226), (6, 3568113), (9, 2378742), (17, 1259334), (18, 1189371), (27, 792914), (34, 629667), (51, 419778), (54, 396457), (102, 209889), (153, 139926), (306, 69963), (459, 46642), (918, 23321)]