21481404

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 40611396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 307, 343, 357, 476, 588, 614, 686, 714, 833, 921, 1029, 1228, 1372, 1428, 1666, 1842, 2058, 2149, 2499, 3332, 3684, 4116, 4298, 4998, 5219, 5831, 6447, 8596, 9996, 10438, 11662, 12894, 15043, 15657, 17493, 20876, 23324, 25788, 30086, 31314, 34986, 36533, 45129, 60172, 62628, 69972, 73066, 90258, 105301, 109599, 146132, 180516, 210602, 219198, 255731, 315903, 421204, 438396, 511462, 631806, 767193, 1022924, 1263612, 1534386, 1790117, 3068772, 3580234, 5370351, 7160468, 10740702, 21481404]

約数ペア:

[(1, 21481404), (2, 10740702), (3, 7160468), (4, 5370351), (6, 3580234), (7, 3068772), (12, 1790117), (14, 1534386), (17, 1263612), (21, 1022924), (28, 767193), (34, 631806), (42, 511462), (49, 438396), (51, 421204), (68, 315903), (84, 255731), (98, 219198), (102, 210602), (119, 180516), (147, 146132), (196, 109599), (204, 105301), (238, 90258), (294, 73066), (307, 69972), (343, 62628), (357, 60172), (476, 45129), (588, 36533), (614, 34986), (686, 31314), (714, 30086), (833, 25788), (921, 23324), (1029, 20876), (1228, 17493), (1372, 15657), (1428, 15043), (1666, 12894), (1842, 11662), (2058, 10438), (2149, 9996), (2499, 8596), (3332, 6447), (3684, 5831), (4116, 5219), (4298, 4998)]