21970664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 44235720

約数和(自身を除く): 22265056

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2213, 2482, 4426, 4964, 8852, 9928, 17704, 37621, 75242, 150484, 161549, 300968, 323098, 646196, 1292392, 2746333, 5492666, 10985332, 21970664]

約数ペア:

[(1, 21970664), (2, 10985332), (4, 5492666), (8, 2746333), (17, 1292392), (34, 646196), (68, 323098), (73, 300968), (136, 161549), (146, 150484), (292, 75242), (584, 37621), (1241, 17704), (2213, 9928), (2482, 8852), (4426, 4964)]