21329016

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 57451680

約数和(自身を除く): 36122664

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 183, 204, 244, 366, 408, 488, 732, 857, 1037, 1464, 1714, 2074, 2571, 3111, 3428, 4148, 5142, 6222, 6856, 8296, 10284, 12444, 14569, 20568, 24888, 29138, 43707, 52277, 58276, 87414, 104554, 116552, 156831, 174828, 209108, 313662, 349656, 418216, 627324, 888709, 1254648, 1777418, 2666127, 3554836, 5332254, 7109672, 10664508, 21329016]

約数ペア:

[(1, 21329016), (2, 10664508), (3, 7109672), (4, 5332254), (6, 3554836), (8, 2666127), (12, 1777418), (17, 1254648), (24, 888709), (34, 627324), (51, 418216), (61, 349656), (68, 313662), (102, 209108), (122, 174828), (136, 156831), (183, 116552), (204, 104554), (244, 87414), (366, 58276), (408, 52277), (488, 43707), (732, 29138), (857, 24888), (1037, 20568), (1464, 14569), (1714, 12444), (2074, 10284), (2571, 8296), (3111, 6856), (3428, 6222), (4148, 5142)]