21397932

素因数分解:

$2^2\times 3^4\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 56383096

約数和(自身を除く): 34985164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 211, 313, 324, 422, 626, 633, 844, 939, 1252, 1266, 1878, 1899, 2532, 2817, 3756, 3798, 5634, 5697, 7596, 8451, 11268, 11394, 16902, 17091, 22788, 25353, 33804, 34182, 50706, 66043, 68364, 101412, 132086, 198129, 264172, 396258, 594387, 792516, 1188774, 1783161, 2377548, 3566322, 5349483, 7132644, 10698966, 21397932]

約数ペア:

[(1, 21397932), (2, 10698966), (3, 7132644), (4, 5349483), (6, 3566322), (9, 2377548), (12, 1783161), (18, 1188774), (27, 792516), (36, 594387), (54, 396258), (81, 264172), (108, 198129), (162, 132086), (211, 101412), (313, 68364), (324, 66043), (422, 50706), (626, 34182), (633, 33804), (844, 25353), (939, 22788), (1252, 17091), (1266, 16902), (1878, 11394), (1899, 11268), (2532, 8451), (2817, 7596), (3756, 5697), (3798, 5634)]