21042430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3019}}^1$

素因数の和:3084

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 20053730

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3019, 3485, 6038, 6970, 15095, 30190, 51323, 102646, 123779, 247558, 256615, 513230, 618895, 1237790, 2104243, 4208486, 10521215, 21042430]

約数ペア:

[(1, 21042430), (2, 10521215), (5, 4208486), (10, 2104243), (17, 1237790), (34, 618895), (41, 513230), (82, 256615), (85, 247558), (170, 123779), (205, 102646), (410, 51323), (697, 30190), (1394, 15095), (3019, 6970), (3485, 6038)]