21320688

素因数分解:

$2^4\times 3^1\times {\mathrm{444181}}^1$

素因数の和:444192

約数の個数: 20

約数和(自身を含む): 55078568

約数和(自身を除く): 33757880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444181, 888362, 1332543, 1776724, 2665086, 3553448, 5330172, 7106896, 10660344, 21320688]

約数ペア:

[(1, 21320688), (2, 10660344), (3, 7106896), (4, 5330172), (6, 3553448), (8, 2665086), (12, 1776724), (16, 1332543), (24, 888362), (48, 444181)]