21007776

素因数分解:

$2^5\times 3^1\times {\mathrm{59}}^1\times {\mathrm{3709}}^1$

素因数の和:3781

約数の個数: 48

約数和(自身を含む): 56095200

約数和(自身を除く): 35087424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 96, 118, 177, 236, 354, 472, 708, 944, 1416, 1888, 2832, 3709, 5664, 7418, 11127, 14836, 22254, 29672, 44508, 59344, 89016, 118688, 178032, 218831, 356064, 437662, 656493, 875324, 1312986, 1750648, 2625972, 3501296, 5251944, 7002592, 10503888, 21007776]

約数ペア:

[(1, 21007776), (2, 10503888), (3, 7002592), (4, 5251944), (6, 3501296), (8, 2625972), (12, 1750648), (16, 1312986), (24, 875324), (32, 656493), (48, 437662), (59, 356064), (96, 218831), (118, 178032), (177, 118688), (236, 89016), (354, 59344), (472, 44508), (708, 29672), (944, 22254), (1416, 14836), (1888, 11127), (2832, 7418), (3709, 5664)]