21267204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 61399296

約数和(自身を除く): 40132092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 53, 68, 84, 102, 106, 119, 159, 204, 212, 238, 281, 318, 357, 371, 476, 562, 636, 714, 742, 843, 901, 1113, 1124, 1428, 1484, 1686, 1802, 1967, 2226, 2703, 3372, 3604, 3934, 4452, 4777, 5406, 5901, 6307, 7868, 9554, 10812, 11802, 12614, 14331, 14893, 18921, 19108, 23604, 25228, 28662, 29786, 33439, 37842, 44679, 57324, 59572, 66878, 75684, 89358, 100317, 104251, 133756, 178716, 200634, 208502, 253181, 312753, 401268, 417004, 506362, 625506, 759543, 1012724, 1251012, 1519086, 1772267, 3038172, 3544534, 5316801, 7089068, 10633602, 21267204]

約数ペア:

[(1, 21267204), (2, 10633602), (3, 7089068), (4, 5316801), (6, 3544534), (7, 3038172), (12, 1772267), (14, 1519086), (17, 1251012), (21, 1012724), (28, 759543), (34, 625506), (42, 506362), (51, 417004), (53, 401268), (68, 312753), (84, 253181), (102, 208502), (106, 200634), (119, 178716), (159, 133756), (204, 104251), (212, 100317), (238, 89358), (281, 75684), (318, 66878), (357, 59572), (371, 57324), (476, 44679), (562, 37842), (636, 33439), (714, 29786), (742, 28662), (843, 25228), (901, 23604), (1113, 19108), (1124, 18921), (1428, 14893), (1484, 14331), (1686, 12614), (1802, 11802), (1967, 10812), (2226, 9554), (2703, 7868), (3372, 6307), (3604, 5901), (3934, 5406), (4452, 4777)]