21140600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 33230920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 47, 50, 52, 65, 94, 100, 104, 130, 173, 188, 200, 235, 260, 325, 346, 376, 470, 520, 611, 650, 692, 865, 940, 1175, 1222, 1300, 1384, 1730, 1880, 2249, 2350, 2444, 2600, 3055, 3460, 4325, 4498, 4700, 4888, 6110, 6920, 8131, 8650, 8996, 9400, 11245, 12220, 15275, 16262, 17300, 17992, 22490, 24440, 30550, 32524, 34600, 40655, 44980, 56225, 61100, 65048, 81310, 89960, 105703, 112450, 122200, 162620, 203275, 211406, 224900, 325240, 406550, 422812, 449800, 528515, 813100, 845624, 1057030, 1626200, 2114060, 2642575, 4228120, 5285150, 10570300, 21140600]

約数ペア:

[(1, 21140600), (2, 10570300), (4, 5285150), (5, 4228120), (8, 2642575), (10, 2114060), (13, 1626200), (20, 1057030), (25, 845624), (26, 813100), (40, 528515), (47, 449800), (50, 422812), (52, 406550), (65, 325240), (94, 224900), (100, 211406), (104, 203275), (130, 162620), (173, 122200), (188, 112450), (200, 105703), (235, 89960), (260, 81310), (325, 65048), (346, 61100), (376, 56225), (470, 44980), (520, 40655), (611, 34600), (650, 32524), (692, 30550), (865, 24440), (940, 22490), (1175, 17992), (1222, 17300), (1300, 16262), (1384, 15275), (1730, 12220), (1880, 11245), (2249, 9400), (2350, 8996), (2444, 8650), (2600, 8131), (3055, 6920), (3460, 6110), (4325, 4888), (4498, 4700)]