21429836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 39510240

約数和(自身を除く): 18080404

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 2137, 2507, 4274, 5014, 8548, 10028, 49151, 98302, 196604, 232933, 465866, 931732, 5357459, 10714918, 21429836]

約数ペア:

[(1, 21429836), (2, 10714918), (4, 5357459), (23, 931732), (46, 465866), (92, 232933), (109, 196604), (218, 98302), (436, 49151), (2137, 10028), (2507, 8548), (4274, 5014)]