21487206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3319}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 46851840

約数和(自身を除く): 25364634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3237, 3319, 6474, 6638, 9957, 19914, 43147, 86294, 129441, 258882, 275477, 550954, 826431, 1652862, 3581201, 7162402, 10743603, 21487206]

約数ペア:

[(1, 21487206), (2, 10743603), (3, 7162402), (6, 3581201), (13, 1652862), (26, 826431), (39, 550954), (78, 275477), (83, 258882), (166, 129441), (249, 86294), (498, 43147), (1079, 19914), (2158, 9957), (3237, 6638), (3319, 6474)]