21501288

素因数分解:

$2^3\times 3^4\times {\mathrm{33181}}^1$

素因数の和:33199

約数の個数: 40

約数和(自身を含む): 60225330

約数和(自身を除く): 38724042

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33181, 66362, 99543, 132724, 199086, 265448, 298629, 398172, 597258, 796344, 895887, 1194516, 1791774, 2389032, 2687661, 3583548, 5375322, 7167096, 10750644, 21501288]

約数ペア:

[(1, 21501288), (2, 10750644), (3, 7167096), (4, 5375322), (6, 3583548), (8, 2687661), (9, 2389032), (12, 1791774), (18, 1194516), (24, 895887), (27, 796344), (36, 597258), (54, 398172), (72, 298629), (81, 265448), (108, 199086), (162, 132724), (216, 99543), (324, 66362), (648, 33181)]