21606298

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 38807424

約数和(自身を除く): 17201126

約数列:

[1, 2, 7, 14, 37, 53, 74, 106, 259, 371, 518, 742, 787, 1574, 1961, 3922, 5509, 11018, 13727, 27454, 29119, 41711, 58238, 83422, 203833, 291977, 407666, 583954, 1543307, 3086614, 10803149, 21606298]

約数ペア:

[(1, 21606298), (2, 10803149), (7, 3086614), (14, 1543307), (37, 583954), (53, 407666), (74, 291977), (106, 203833), (259, 83422), (371, 58238), (518, 41711), (742, 29119), (787, 27454), (1574, 13727), (1961, 11018), (3922, 5509)]