21766286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 35868960

約数和(自身を除く): 14102674

約数列:

[1, 2, 19, 37, 38, 74, 113, 137, 226, 274, 703, 1406, 2147, 2603, 4181, 4294, 5069, 5206, 8362, 10138, 15481, 30962, 79439, 96311, 158878, 192622, 294139, 572797, 588278, 1145594, 10883143, 21766286]

約数ペア:

[(1, 21766286), (2, 10883143), (19, 1145594), (37, 588278), (38, 572797), (74, 294139), (113, 192622), (137, 158878), (226, 96311), (274, 79439), (703, 30962), (1406, 15481), (2147, 10138), (2603, 8362), (4181, 5206), (4294, 5069)]