21971304292

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{104723}}^1$

素因数の和:104920

約数の個数: 48

約数和(自身を含む): 45039697920

約数和(自身を除く): 23068393628

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 127, 236, 254, 413, 508, 826, 889, 1652, 1778, 3556, 7493, 14986, 29972, 52451, 104723, 104902, 209446, 209804, 418892, 733061, 1466122, 2932244, 6178657, 12357314, 13299821, 24714628, 26599642, 43250599, 53199284, 86501198, 93098747, 173002396, 186197494, 372394988, 784689439, 1569378878, 3138757756, 5492826073, 10985652146, 21971304292]

約数ペア:

[(1, 21971304292), (2, 10985652146), (4, 5492826073), (7, 3138757756), (14, 1569378878), (28, 784689439), (59, 372394988), (118, 186197494), (127, 173002396), (236, 93098747), (254, 86501198), (413, 53199284), (508, 43250599), (826, 26599642), (889, 24714628), (1652, 13299821), (1778, 12357314), (3556, 6178657), (7493, 2932244), (14986, 1466122), (29972, 733061), (52451, 418892), (104723, 209804), (104902, 209446)]