21235752

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4999}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 58500000

約数和(自身を除く): 37264248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4999, 9998, 14997, 19996, 29994, 39992, 44991, 59988, 89982, 119976, 179964, 294941, 359928, 589882, 884823, 1179764, 1769646, 2359528, 2654469, 3539292, 5308938, 7078584, 10617876, 21235752]

約数ペア:

[(1, 21235752), (2, 10617876), (3, 7078584), (4, 5308938), (6, 3539292), (8, 2654469), (9, 2359528), (12, 1769646), (18, 1179764), (24, 884823), (36, 589882), (59, 359928), (72, 294941), (118, 179964), (177, 119976), (236, 89982), (354, 59988), (472, 44991), (531, 39992), (708, 29994), (1062, 19996), (1416, 14997), (2124, 9998), (4248, 4999)]