21395262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 50635152

約数和(自身を除く): 29239890

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 366, 427, 854, 1193, 1281, 2386, 2562, 2989, 3579, 5978, 7158, 8351, 8967, 16702, 17934, 25053, 50106, 58457, 72773, 116914, 145546, 175371, 218319, 350742, 436638, 509411, 1018822, 1528233, 3056466, 3565877, 7131754, 10697631, 21395262]

約数ペア:

[(1, 21395262), (2, 10697631), (3, 7131754), (6, 3565877), (7, 3056466), (14, 1528233), (21, 1018822), (42, 509411), (49, 436638), (61, 350742), (98, 218319), (122, 175371), (147, 145546), (183, 116914), (294, 72773), (366, 58457), (427, 50106), (854, 25053), (1193, 17934), (1281, 16702), (2386, 8967), (2562, 8351), (2989, 7158), (3579, 5978)]