21762216

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 71136000

約数和(自身を除く): 49373784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 296, 333, 378, 389, 444, 504, 518, 666, 756, 777, 778, 888, 999, 1036, 1167, 1332, 1512, 1554, 1556, 1998, 2072, 2331, 2334, 2664, 2723, 3108, 3112, 3501, 3996, 4662, 4668, 5446, 6216, 6993, 7002, 7992, 8169, 9324, 9336, 10503, 10892, 13986, 14004, 14393, 16338, 18648, 21006, 21784, 24507, 27972, 28008, 28786, 32676, 42012, 43179, 49014, 55944, 57572, 65352, 73521, 84024, 86358, 98028, 100751, 115144, 129537, 147042, 172716, 196056, 201502, 259074, 294084, 302253, 345432, 388611, 403004, 518148, 588168, 604506, 777222, 806008, 906759, 1036296, 1209012, 1554444, 1813518, 2418024, 2720277, 3108888, 3627036, 5440554, 7254072, 10881108, 21762216]

約数ペア:

[(1, 21762216), (2, 10881108), (3, 7254072), (4, 5440554), (6, 3627036), (7, 3108888), (8, 2720277), (9, 2418024), (12, 1813518), (14, 1554444), (18, 1209012), (21, 1036296), (24, 906759), (27, 806008), (28, 777222), (36, 604506), (37, 588168), (42, 518148), (54, 403004), (56, 388611), (63, 345432), (72, 302253), (74, 294084), (84, 259074), (108, 201502), (111, 196056), (126, 172716), (148, 147042), (168, 129537), (189, 115144), (216, 100751), (222, 98028), (252, 86358), (259, 84024), (296, 73521), (333, 65352), (378, 57572), (389, 55944), (444, 49014), (504, 43179), (518, 42012), (666, 32676), (756, 28786), (777, 28008), (778, 27972), (888, 24507), (999, 21784), (1036, 21006), (1167, 18648), (1332, 16338), (1512, 14393), (1554, 14004), (1556, 13986), (1998, 10892), (2072, 10503), (2331, 9336), (2334, 9324), (2664, 8169), (2723, 7992), (3108, 7002), (3112, 6993), (3501, 6216), (3996, 5446), (4662, 4668)]