21791664

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3691}}^1$

素因数の和:3746

約数の個数: 60

約数和(自身を含む): 62490792

約数和(自身を除く): 40699128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3691, 5904, 7382, 11073, 14764, 22146, 29528, 33219, 44292, 59056, 66438, 88584, 132876, 151331, 177168, 265752, 302662, 453993, 531504, 605324, 907986, 1210648, 1361979, 1815972, 2421296, 2723958, 3631944, 5447916, 7263888, 10895832, 21791664]

約数ペア:

[(1, 21791664), (2, 10895832), (3, 7263888), (4, 5447916), (6, 3631944), (8, 2723958), (9, 2421296), (12, 1815972), (16, 1361979), (18, 1210648), (24, 907986), (36, 605324), (41, 531504), (48, 453993), (72, 302662), (82, 265752), (123, 177168), (144, 151331), (164, 132876), (246, 88584), (328, 66438), (369, 59056), (492, 44292), (656, 33219), (738, 29528), (984, 22146), (1476, 14764), (1968, 11073), (2952, 7382), (3691, 5904)]