21812532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 62361600

約数和(自身を除く): 40549068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 79, 84, 114, 133, 158, 173, 228, 237, 266, 316, 346, 399, 474, 519, 532, 553, 692, 798, 948, 1038, 1106, 1211, 1501, 1596, 1659, 2076, 2212, 2422, 3002, 3287, 3318, 3633, 4503, 4844, 6004, 6574, 6636, 7266, 9006, 9861, 10507, 13148, 13667, 14532, 18012, 19722, 21014, 23009, 27334, 31521, 39444, 41001, 42028, 46018, 54668, 63042, 69027, 82002, 92036, 95669, 126084, 138054, 164004, 191338, 259673, 276108, 287007, 382676, 519346, 574014, 779019, 1038692, 1148028, 1558038, 1817711, 3116076, 3635422, 5453133, 7270844, 10906266, 21812532]

約数ペア:

[(1, 21812532), (2, 10906266), (3, 7270844), (4, 5453133), (6, 3635422), (7, 3116076), (12, 1817711), (14, 1558038), (19, 1148028), (21, 1038692), (28, 779019), (38, 574014), (42, 519346), (57, 382676), (76, 287007), (79, 276108), (84, 259673), (114, 191338), (133, 164004), (158, 138054), (173, 126084), (228, 95669), (237, 92036), (266, 82002), (316, 69027), (346, 63042), (399, 54668), (474, 46018), (519, 42028), (532, 41001), (553, 39444), (692, 31521), (798, 27334), (948, 23009), (1038, 21014), (1106, 19722), (1211, 18012), (1501, 14532), (1596, 13667), (1659, 13148), (2076, 10507), (2212, 9861), (2422, 9006), (3002, 7266), (3287, 6636), (3318, 6574), (3633, 6004), (4503, 4844)]