21462910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13331}}^1$

素因数の和:13368

約数の個数: 32

約数和(自身を含む): 46075392

約数和(自身を除く): 24612482

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13331, 26662, 66655, 93317, 133310, 186634, 306613, 466585, 613226, 933170, 1533065, 2146291, 3066130, 4292582, 10731455, 21462910]

約数ペア:

[(1, 21462910), (2, 10731455), (5, 4292582), (7, 3066130), (10, 2146291), (14, 1533065), (23, 933170), (35, 613226), (46, 466585), (70, 306613), (115, 186634), (161, 133310), (230, 93317), (322, 66655), (805, 26662), (1610, 13331)]