21635664

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{701}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 56058912

約数和(自身を除く): 34423248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 701, 1286, 1402, 1929, 2103, 2572, 2804, 3858, 4206, 5144, 5608, 7716, 8412, 10288, 11216, 15432, 16824, 30864, 33648, 450743, 901486, 1352229, 1802972, 2704458, 3605944, 5408916, 7211888, 10817832, 21635664]

約数ペア:

[(1, 21635664), (2, 10817832), (3, 7211888), (4, 5408916), (6, 3605944), (8, 2704458), (12, 1802972), (16, 1352229), (24, 901486), (48, 450743), (643, 33648), (701, 30864), (1286, 16824), (1402, 15432), (1929, 11216), (2103, 10288), (2572, 8412), (2804, 7716), (3858, 5608), (4206, 5144)]