21030282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 57762432

約数和(自身を除く): 36732150

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 37, 39, 42, 63, 74, 78, 91, 111, 117, 126, 182, 222, 234, 259, 273, 333, 347, 481, 518, 546, 666, 694, 777, 819, 962, 1041, 1443, 1554, 1638, 2082, 2331, 2429, 2886, 3123, 3367, 4329, 4511, 4662, 4858, 6246, 6734, 7287, 8658, 9022, 10101, 12839, 13533, 14574, 20202, 21861, 25678, 27066, 30303, 31577, 38517, 40599, 43722, 60606, 63154, 77034, 81198, 89873, 94731, 115551, 166907, 179746, 189462, 231102, 269619, 284193, 333814, 500721, 539238, 568386, 808857, 1001442, 1168349, 1502163, 1617714, 2336698, 3004326, 3505047, 7010094, 10515141, 21030282]

約数ペア:

[(1, 21030282), (2, 10515141), (3, 7010094), (6, 3505047), (7, 3004326), (9, 2336698), (13, 1617714), (14, 1502163), (18, 1168349), (21, 1001442), (26, 808857), (37, 568386), (39, 539238), (42, 500721), (63, 333814), (74, 284193), (78, 269619), (91, 231102), (111, 189462), (117, 179746), (126, 166907), (182, 115551), (222, 94731), (234, 89873), (259, 81198), (273, 77034), (333, 63154), (347, 60606), (481, 43722), (518, 40599), (546, 38517), (666, 31577), (694, 30303), (777, 27066), (819, 25678), (962, 21861), (1041, 20202), (1443, 14574), (1554, 13533), (1638, 12839), (2082, 10101), (2331, 9022), (2429, 8658), (2886, 7287), (3123, 6734), (3367, 6246), (4329, 4858), (4511, 4662)]