21759088

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 40

約数和(自身を含む): 45743600

約数和(自身を除く): 23984512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 619, 676, 1238, 1352, 2197, 2476, 2704, 4394, 4952, 8047, 8788, 9904, 16094, 17576, 32188, 35152, 64376, 104611, 128752, 209222, 418444, 836888, 1359943, 1673776, 2719886, 5439772, 10879544, 21759088]

約数ペア:

[(1, 21759088), (2, 10879544), (4, 5439772), (8, 2719886), (13, 1673776), (16, 1359943), (26, 836888), (52, 418444), (104, 209222), (169, 128752), (208, 104611), (338, 64376), (619, 35152), (676, 32188), (1238, 17576), (1352, 16094), (2197, 9904), (2476, 8788), (2704, 8047), (4394, 4952)]