21074425778

素因数分解:

$2^1\times 7^2\times {\mathrm{3343}}^1\times {\mathrm{64327}}^1$

素因数の和:67686

約数の個数: 24

約数和(自身を含む): 36784294272

約数和(自身を除く): 15709868494

約数列:

[1, 2, 7, 14, 49, 98, 3343, 6686, 23401, 46802, 64327, 128654, 163807, 327614, 450289, 900578, 3152023, 6304046, 215045161, 430090322, 1505316127, 3010632254, 10537212889, 21074425778]

約数ペア:

[(1, 21074425778), (2, 10537212889), (7, 3010632254), (14, 1505316127), (49, 430090322), (98, 215045161), (3343, 6304046), (6686, 3152023), (23401, 900578), (46802, 450289), (64327, 327614), (128654, 163807)]