21222970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 40808448

約数和(自身を除く): 19585478

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 983, 1270, 1966, 2159, 4318, 4915, 9830, 10795, 16711, 21590, 33422, 83555, 124841, 167110, 249682, 624205, 1248410, 2122297, 4244594, 10611485, 21222970]

約数ペア:

[(1, 21222970), (2, 10611485), (5, 4244594), (10, 2122297), (17, 1248410), (34, 624205), (85, 249682), (127, 167110), (170, 124841), (254, 83555), (635, 33422), (983, 21590), (1270, 16711), (1966, 10795), (2159, 9830), (4318, 4915)]