21714848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24008032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 179, 223, 272, 358, 446, 544, 716, 892, 1432, 1784, 2864, 3043, 3568, 3791, 5728, 6086, 7136, 7582, 12172, 15164, 24344, 30328, 39917, 48688, 60656, 79834, 97376, 121312, 159668, 319336, 638672, 678589, 1277344, 1357178, 2714356, 5428712, 10857424, 21714848]

約数ペア:

[(1, 21714848), (2, 10857424), (4, 5428712), (8, 2714356), (16, 1357178), (17, 1277344), (32, 678589), (34, 638672), (68, 319336), (136, 159668), (179, 121312), (223, 97376), (272, 79834), (358, 60656), (446, 48688), (544, 39917), (716, 30328), (892, 24344), (1432, 15164), (1784, 12172), (2864, 7582), (3043, 7136), (3568, 6086), (3791, 5728)]