21706935

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14581065

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 359, 417, 435, 695, 1077, 1795, 2085, 4031, 5385, 10411, 12093, 20155, 31233, 49901, 52055, 60465, 149703, 156165, 249505, 748515, 1447129, 4341387, 7235645, 21706935]

約数ペア:

[(1, 21706935), (3, 7235645), (5, 4341387), (15, 1447129), (29, 748515), (87, 249505), (139, 156165), (145, 149703), (359, 60465), (417, 52055), (435, 49901), (695, 31233), (1077, 20155), (1795, 12093), (2085, 10411), (4031, 5385)]