21833420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22279}}^1$

素因数の和:22302

約数の個数: 36

約数和(自身を含む): 53338320

約数和(自身を除く): 31504900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22279, 44558, 89116, 111395, 155953, 222790, 311906, 445580, 623812, 779765, 1091671, 1559530, 2183342, 3119060, 4366684, 5458355, 10916710, 21833420]

約数ペア:

[(1, 21833420), (2, 10916710), (4, 5458355), (5, 4366684), (7, 3119060), (10, 2183342), (14, 1559530), (20, 1091671), (28, 779765), (35, 623812), (49, 445580), (70, 311906), (98, 222790), (140, 155953), (196, 111395), (245, 89116), (490, 44558), (980, 22279)]