21558590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19567810

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1399, 1541, 2798, 3082, 6995, 7705, 13990, 15410, 32177, 64354, 93733, 160885, 187466, 321770, 468665, 937330, 2155859, 4311718, 10779295, 21558590]

約数ペア:

[(1, 21558590), (2, 10779295), (5, 4311718), (10, 2155859), (23, 937330), (46, 468665), (67, 321770), (115, 187466), (134, 160885), (230, 93733), (335, 64354), (670, 32177), (1399, 15410), (1541, 13990), (2798, 7705), (3082, 6995)]