21395412

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7523}}^1$

素因数の和:7612

約数の個数: 36

約数和(自身を含む): 54774720

約数和(自身を除く): 33379308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7523, 15046, 22569, 30092, 45138, 67707, 90276, 135414, 270828, 594317, 1188634, 1782951, 2377268, 3565902, 5348853, 7131804, 10697706, 21395412]

約数ペア:

[(1, 21395412), (2, 10697706), (3, 7131804), (4, 5348853), (6, 3565902), (9, 2377268), (12, 1782951), (18, 1188634), (36, 594317), (79, 270828), (158, 135414), (237, 90276), (316, 67707), (474, 45138), (711, 30092), (948, 22569), (1422, 15046), (2844, 7523)]