21765348

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 64399104

約数和(自身を除く): 42633756

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 81, 93, 99, 108, 124, 132, 162, 186, 197, 198, 279, 297, 324, 341, 372, 394, 396, 558, 591, 594, 682, 788, 837, 891, 1023, 1116, 1182, 1188, 1364, 1674, 1773, 1782, 2046, 2167, 2364, 2511, 3069, 3348, 3546, 3564, 4092, 4334, 5022, 5319, 6107, 6138, 6501, 7092, 8668, 9207, 10044, 10638, 12214, 12276, 13002, 15957, 18321, 18414, 19503, 21276, 24428, 26004, 27621, 31914, 36642, 36828, 39006, 54963, 55242, 58509, 63828, 67177, 73284, 78012, 109926, 110484, 117018, 134354, 164889, 175527, 201531, 219852, 234036, 268708, 329778, 351054, 403062, 494667, 604593, 659556, 702108, 806124, 989334, 1209186, 1813779, 1978668, 2418372, 3627558, 5441337, 7255116, 10882674, 21765348]

約数ペア:

[(1, 21765348), (2, 10882674), (3, 7255116), (4, 5441337), (6, 3627558), (9, 2418372), (11, 1978668), (12, 1813779), (18, 1209186), (22, 989334), (27, 806124), (31, 702108), (33, 659556), (36, 604593), (44, 494667), (54, 403062), (62, 351054), (66, 329778), (81, 268708), (93, 234036), (99, 219852), (108, 201531), (124, 175527), (132, 164889), (162, 134354), (186, 117018), (197, 110484), (198, 109926), (279, 78012), (297, 73284), (324, 67177), (341, 63828), (372, 58509), (394, 55242), (396, 54963), (558, 39006), (591, 36828), (594, 36642), (682, 31914), (788, 27621), (837, 26004), (891, 24428), (1023, 21276), (1116, 19503), (1182, 18414), (1188, 18321), (1364, 15957), (1674, 13002), (1773, 12276), (1782, 12214), (2046, 10638), (2167, 10044), (2364, 9207), (2511, 8668), (3069, 7092), (3348, 6501), (3546, 6138), (3564, 6107), (4092, 5319), (4334, 5022)]