21765996

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 108

約数和(自身を含む): 66518088

約数和(自身を除く): 44752092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 457, 486, 567, 588, 756, 882, 914, 972, 1134, 1323, 1371, 1701, 1764, 1828, 2268, 2646, 2742, 3199, 3402, 3969, 4113, 5292, 5484, 6398, 6804, 7938, 8226, 9597, 11907, 12339, 12796, 15876, 16452, 19194, 22393, 23814, 24678, 28791, 37017, 38388, 44786, 47628, 49356, 57582, 67179, 74034, 86373, 89572, 111051, 115164, 134358, 148068, 172746, 201537, 222102, 259119, 268716, 345492, 403074, 444204, 518238, 604611, 777357, 806148, 1036476, 1209222, 1554714, 1813833, 2418444, 3109428, 3627666, 5441499, 7255332, 10882998, 21765996]

約数ペア:

[(1, 21765996), (2, 10882998), (3, 7255332), (4, 5441499), (6, 3627666), (7, 3109428), (9, 2418444), (12, 1813833), (14, 1554714), (18, 1209222), (21, 1036476), (27, 806148), (28, 777357), (36, 604611), (42, 518238), (49, 444204), (54, 403074), (63, 345492), (81, 268716), (84, 259119), (98, 222102), (108, 201537), (126, 172746), (147, 148068), (162, 134358), (189, 115164), (196, 111051), (243, 89572), (252, 86373), (294, 74034), (324, 67179), (378, 57582), (441, 49356), (457, 47628), (486, 44786), (567, 38388), (588, 37017), (756, 28791), (882, 24678), (914, 23814), (972, 22393), (1134, 19194), (1323, 16452), (1371, 15876), (1701, 12796), (1764, 12339), (1828, 11907), (2268, 9597), (2646, 8226), (2742, 7938), (3199, 6804), (3402, 6398), (3969, 5484), (4113, 5292)]