21106000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 52170768

約数和(自身を除く): 31064768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 173, 200, 244, 250, 305, 346, 400, 488, 500, 610, 692, 865, 976, 1000, 1220, 1384, 1525, 1730, 2000, 2440, 2768, 3050, 3460, 4325, 4880, 6100, 6920, 7625, 8650, 10553, 12200, 13840, 15250, 17300, 21106, 21625, 24400, 30500, 34600, 42212, 43250, 52765, 61000, 69200, 84424, 86500, 105530, 122000, 168848, 173000, 211060, 263825, 346000, 422120, 527650, 844240, 1055300, 1319125, 2110600, 2638250, 4221200, 5276500, 10553000, 21106000]

約数ペア:

[(1, 21106000), (2, 10553000), (4, 5276500), (5, 4221200), (8, 2638250), (10, 2110600), (16, 1319125), (20, 1055300), (25, 844240), (40, 527650), (50, 422120), (61, 346000), (80, 263825), (100, 211060), (122, 173000), (125, 168848), (173, 122000), (200, 105530), (244, 86500), (250, 84424), (305, 69200), (346, 61000), (400, 52765), (488, 43250), (500, 42212), (610, 34600), (692, 30500), (865, 24400), (976, 21625), (1000, 21106), (1220, 17300), (1384, 15250), (1525, 13840), (1730, 12200), (2000, 10553), (2440, 8650), (2768, 7625), (3050, 6920), (3460, 6100), (4325, 4880)]