21261672

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 60353280

約数和(自身を除く): 39091608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 61, 72, 94, 103, 122, 141, 183, 188, 206, 244, 282, 309, 366, 376, 412, 423, 488, 549, 564, 618, 732, 824, 846, 927, 1098, 1128, 1236, 1464, 1692, 1854, 2196, 2472, 2867, 3384, 3708, 4392, 4841, 5734, 6283, 7416, 8601, 9682, 11468, 12566, 14523, 17202, 18849, 19364, 22936, 25132, 25803, 29046, 34404, 37698, 38728, 43569, 50264, 51606, 56547, 58092, 68808, 75396, 87138, 103212, 113094, 116184, 150792, 174276, 206424, 226188, 295301, 348552, 452376, 590602, 885903, 1181204, 1771806, 2362408, 2657709, 3543612, 5315418, 7087224, 10630836, 21261672]

約数ペア:

[(1, 21261672), (2, 10630836), (3, 7087224), (4, 5315418), (6, 3543612), (8, 2657709), (9, 2362408), (12, 1771806), (18, 1181204), (24, 885903), (36, 590602), (47, 452376), (61, 348552), (72, 295301), (94, 226188), (103, 206424), (122, 174276), (141, 150792), (183, 116184), (188, 113094), (206, 103212), (244, 87138), (282, 75396), (309, 68808), (366, 58092), (376, 56547), (412, 51606), (423, 50264), (488, 43569), (549, 38728), (564, 37698), (618, 34404), (732, 29046), (824, 25803), (846, 25132), (927, 22936), (1098, 19364), (1128, 18849), (1236, 17202), (1464, 14523), (1692, 12566), (1854, 11468), (2196, 9682), (2472, 8601), (2867, 7416), (3384, 6283), (3708, 5734), (4392, 4841)]