21911300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12889}}^1$

素因数の和:12920

約数の個数: 36

約数和(自身を含む): 50348340

約数和(自身を除く): 28437040

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12889, 25778, 51556, 64445, 128890, 219113, 257780, 322225, 438226, 644450, 876452, 1095565, 1288900, 2191130, 4382260, 5477825, 10955650, 21911300]

約数ペア:

[(1, 21911300), (2, 10955650), (4, 5477825), (5, 4382260), (10, 2191130), (17, 1288900), (20, 1095565), (25, 876452), (34, 644450), (50, 438226), (68, 322225), (85, 257780), (100, 219113), (170, 128890), (340, 64445), (425, 51556), (850, 25778), (1700, 12889)]