21860722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15233678

約数列:

[1, 2, 13, 26, 29, 58, 79, 158, 367, 377, 734, 754, 1027, 2054, 2291, 4582, 4771, 9542, 10643, 21286, 28993, 29783, 57986, 59566, 138359, 276718, 376909, 753818, 840797, 1681594, 10930361, 21860722]

約数ペア:

[(1, 21860722), (2, 10930361), (13, 1681594), (26, 840797), (29, 753818), (58, 376909), (79, 276718), (158, 138359), (367, 59566), (377, 57986), (734, 29783), (754, 28993), (1027, 21286), (2054, 10643), (2291, 9542), (4582, 4771)]