21978864

素因数分解:

$2^4\times 3^5\times {\mathrm{5653}}^1$

素因数の和:5676

約数の個数: 60

約数和(自身を含む): 63799736

約数和(自身を除く): 41820872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5653, 11306, 16959, 22612, 33918, 45224, 50877, 67836, 90448, 101754, 135672, 152631, 203508, 271344, 305262, 407016, 457893, 610524, 814032, 915786, 1221048, 1373679, 1831572, 2442096, 2747358, 3663144, 5494716, 7326288, 10989432, 21978864]

約数ペア:

[(1, 21978864), (2, 10989432), (3, 7326288), (4, 5494716), (6, 3663144), (8, 2747358), (9, 2442096), (12, 1831572), (16, 1373679), (18, 1221048), (24, 915786), (27, 814032), (36, 610524), (48, 457893), (54, 407016), (72, 305262), (81, 271344), (108, 203508), (144, 152631), (162, 135672), (216, 101754), (243, 90448), (324, 67836), (432, 50877), (486, 45224), (648, 33918), (972, 22612), (1296, 16959), (1944, 11306), (3888, 5653)]