21425604

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 31191996

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 149, 276, 298, 447, 521, 596, 894, 1042, 1563, 1788, 2084, 3126, 3427, 6252, 6854, 10281, 11983, 13708, 20562, 23966, 35949, 41124, 47932, 71898, 77629, 143796, 155258, 232887, 310516, 465774, 931548, 1785467, 3570934, 5356401, 7141868, 10712802, 21425604]

約数ペア:

[(1, 21425604), (2, 10712802), (3, 7141868), (4, 5356401), (6, 3570934), (12, 1785467), (23, 931548), (46, 465774), (69, 310516), (92, 232887), (138, 155258), (149, 143796), (276, 77629), (298, 71898), (447, 47932), (521, 41124), (596, 35949), (894, 23966), (1042, 20562), (1563, 13708), (1788, 11983), (2084, 10281), (3126, 6854), (3427, 6252)]