21958050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 36966750

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 79, 85, 102, 109, 150, 158, 170, 218, 237, 255, 327, 395, 425, 474, 510, 545, 654, 790, 850, 1090, 1185, 1275, 1343, 1635, 1853, 1975, 2370, 2550, 2686, 2725, 3270, 3706, 3950, 4029, 5450, 5559, 5925, 6715, 8058, 8175, 8611, 9265, 11118, 11850, 13430, 16350, 17222, 18530, 20145, 25833, 27795, 33575, 40290, 43055, 46325, 51666, 55590, 67150, 86110, 92650, 100725, 129165, 138975, 146387, 201450, 215275, 258330, 277950, 292774, 430550, 439161, 645825, 731935, 878322, 1291650, 1463870, 2195805, 3659675, 4391610, 7319350, 10979025, 21958050]

約数ペア:

[(1, 21958050), (2, 10979025), (3, 7319350), (5, 4391610), (6, 3659675), (10, 2195805), (15, 1463870), (17, 1291650), (25, 878322), (30, 731935), (34, 645825), (50, 439161), (51, 430550), (75, 292774), (79, 277950), (85, 258330), (102, 215275), (109, 201450), (150, 146387), (158, 138975), (170, 129165), (218, 100725), (237, 92650), (255, 86110), (327, 67150), (395, 55590), (425, 51666), (474, 46325), (510, 43055), (545, 40290), (654, 33575), (790, 27795), (850, 25833), (1090, 20145), (1185, 18530), (1275, 17222), (1343, 16350), (1635, 13430), (1853, 11850), (1975, 11118), (2370, 9265), (2550, 8611), (2686, 8175), (2725, 8058), (3270, 6715), (3706, 5925), (3950, 5559), (4029, 5450)]