21934605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2713}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 44553024

約数和(自身を除く): 22618419

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 2713, 8085, 8139, 13565, 18991, 29843, 40695, 56973, 89529, 94955, 132937, 149215, 208901, 284865, 398811, 447645, 626703, 664685, 1044505, 1462307, 1994055, 3133515, 4386921, 7311535, 21934605]

約数ペア:

[(1, 21934605), (3, 7311535), (5, 4386921), (7, 3133515), (11, 1994055), (15, 1462307), (21, 1044505), (33, 664685), (35, 626703), (49, 447645), (55, 398811), (77, 284865), (105, 208901), (147, 149215), (165, 132937), (231, 94955), (245, 89529), (385, 56973), (539, 40695), (735, 29843), (1155, 18991), (1617, 13565), (2695, 8139), (2713, 8085)]