21835786

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4038

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19532534

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3989, 5474, 7978, 27923, 55846, 67813, 91747, 135626, 183494, 474691, 642229, 949382, 1284458, 1559699, 3119398, 10917893, 21835786]

約数ペア:

[(1, 21835786), (2, 10917893), (7, 3119398), (14, 1559699), (17, 1284458), (23, 949382), (34, 642229), (46, 474691), (119, 183494), (161, 135626), (238, 91747), (322, 67813), (391, 55846), (782, 27923), (2737, 7978), (3989, 5474)]