21791238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17891}}^1$

素因数の和:17932

約数の個数: 32

約数和(自身を含む): 51528960

約数和(自身を除く): 29737722

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17891, 35782, 53673, 107346, 125237, 250474, 375711, 518839, 751422, 1037678, 1556517, 3113034, 3631873, 7263746, 10895619, 21791238]

約数ペア:

[(1, 21791238), (2, 10895619), (3, 7263746), (6, 3631873), (7, 3113034), (14, 1556517), (21, 1037678), (29, 751422), (42, 518839), (58, 375711), (87, 250474), (174, 125237), (203, 107346), (406, 53673), (609, 35782), (1218, 17891)]