9185820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21871}}^1$

素因数の和:21890

約数の個数: 48

約数和(自身を含む): 29395968

約数和(自身を除く): 20210148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21871, 43742, 65613, 87484, 109355, 131226, 153097, 218710, 262452, 306194, 328065, 437420, 459291, 612388, 656130, 765485, 918582, 1312260, 1530970, 1837164, 2296455, 3061940, 4592910, 9185820]

約数ペア:

[(1, 9185820), (2, 4592910), (3, 3061940), (4, 2296455), (5, 1837164), (6, 1530970), (7, 1312260), (10, 918582), (12, 765485), (14, 656130), (15, 612388), (20, 459291), (21, 437420), (28, 328065), (30, 306194), (35, 262452), (42, 218710), (60, 153097), (70, 131226), (84, 109355), (105, 87484), (140, 65613), (210, 43742), (420, 21871)]