21464144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2847

約数の個数: 40

約数和(自身を含む): 46012680

約数和(自身を除く): 24548536

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2789, 3848, 5578, 7696, 11156, 22312, 36257, 44624, 72514, 103193, 145028, 206386, 290056, 412772, 580112, 825544, 1341509, 1651088, 2683018, 5366036, 10732072, 21464144]

約数ペア:

[(1, 21464144), (2, 10732072), (4, 5366036), (8, 2683018), (13, 1651088), (16, 1341509), (26, 825544), (37, 580112), (52, 412772), (74, 290056), (104, 206386), (148, 145028), (208, 103193), (296, 72514), (481, 44624), (592, 36257), (962, 22312), (1924, 11156), (2789, 7696), (3848, 5578)]