21570344

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19797976

約数列:

[1, 2, 4, 8, 107, 113, 214, 223, 226, 428, 446, 452, 856, 892, 904, 1784, 12091, 23861, 24182, 25199, 47722, 48364, 50398, 95444, 96728, 100796, 190888, 201592, 2696293, 5392586, 10785172, 21570344]

約数ペア:

[(1, 21570344), (2, 10785172), (4, 5392586), (8, 2696293), (107, 201592), (113, 190888), (214, 100796), (223, 96728), (226, 95444), (428, 50398), (446, 48364), (452, 47722), (856, 25199), (892, 24182), (904, 23861), (1784, 12091)]