21319878

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 44577792

約数和(自身を除く): 23257914

約数列:

[1, 2, 3, 6, 31, 62, 83, 93, 166, 186, 249, 498, 1381, 2573, 2762, 4143, 5146, 7719, 8286, 15438, 42811, 85622, 114623, 128433, 229246, 256866, 343869, 687738, 3553313, 7106626, 10659939, 21319878]

約数ペア:

[(1, 21319878), (2, 10659939), (3, 7106626), (6, 3553313), (31, 687738), (62, 343869), (83, 256866), (93, 229246), (166, 128433), (186, 114623), (249, 85622), (498, 42811), (1381, 15438), (2573, 8286), (2762, 7719), (4143, 5146)]