21498540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3011}}^1$

素因数の和:3047

約数の個数: 96

約数和(自身を含む): 72866304

約数和(自身を除く): 51367764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3011, 3570, 6022, 7140, 9033, 12044, 15055, 18066, 21077, 30110, 36132, 42154, 45165, 51187, 60220, 63231, 84308, 90330, 102374, 105385, 126462, 153561, 180660, 204748, 210770, 252924, 255935, 307122, 316155, 358309, 421540, 511870, 614244, 632310, 716618, 767805, 1023740, 1074927, 1264620, 1433236, 1535610, 1791545, 2149854, 3071220, 3583090, 4299708, 5374635, 7166180, 10749270, 21498540]

約数ペア:

[(1, 21498540), (2, 10749270), (3, 7166180), (4, 5374635), (5, 4299708), (6, 3583090), (7, 3071220), (10, 2149854), (12, 1791545), (14, 1535610), (15, 1433236), (17, 1264620), (20, 1074927), (21, 1023740), (28, 767805), (30, 716618), (34, 632310), (35, 614244), (42, 511870), (51, 421540), (60, 358309), (68, 316155), (70, 307122), (84, 255935), (85, 252924), (102, 210770), (105, 204748), (119, 180660), (140, 153561), (170, 126462), (204, 105385), (210, 102374), (238, 90330), (255, 84308), (340, 63231), (357, 60220), (420, 51187), (476, 45165), (510, 42154), (595, 36132), (714, 30110), (1020, 21077), (1190, 18066), (1428, 15055), (1785, 12044), (2380, 9033), (3011, 7140), (3570, 6022)]