21496122

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 27587718

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 137, 138, 207, 274, 379, 411, 414, 758, 822, 1137, 1233, 2274, 2466, 3151, 3411, 6302, 6822, 8717, 9453, 17434, 18906, 26151, 28359, 51923, 52302, 56718, 78453, 103846, 155769, 156906, 311538, 467307, 934614, 1194229, 2388458, 3582687, 7165374, 10748061, 21496122]

約数ペア:

[(1, 21496122), (2, 10748061), (3, 7165374), (6, 3582687), (9, 2388458), (18, 1194229), (23, 934614), (46, 467307), (69, 311538), (137, 156906), (138, 155769), (207, 103846), (274, 78453), (379, 56718), (411, 52302), (414, 51923), (758, 28359), (822, 26151), (1137, 18906), (1233, 17434), (2274, 9453), (2466, 8717), (3151, 6822), (3411, 6302)]