21081326

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{877}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 38688192

約数和(自身を除く): 17606866

約数列:

[1, 2, 7, 14, 17, 34, 101, 119, 202, 238, 707, 877, 1414, 1717, 1754, 3434, 6139, 12019, 12278, 14909, 24038, 29818, 88577, 104363, 177154, 208726, 620039, 1240078, 1505809, 3011618, 10540663, 21081326]

約数ペア:

[(1, 21081326), (2, 10540663), (7, 3011618), (14, 1505809), (17, 1240078), (34, 620039), (101, 208726), (119, 177154), (202, 104363), (238, 88577), (707, 29818), (877, 24038), (1414, 14909), (1717, 12278), (1754, 12019), (3434, 6139)]