21269304

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 112

約数和(自身を含む): 68465520

約数和(自身を除く): 47196216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 521, 567, 648, 729, 756, 972, 1042, 1134, 1458, 1512, 1563, 1701, 1944, 2084, 2268, 2916, 3126, 3402, 3647, 4168, 4536, 4689, 5103, 5832, 6252, 6804, 7294, 9378, 10206, 10941, 12504, 13608, 14067, 14588, 18756, 20412, 21882, 28134, 29176, 32823, 37512, 40824, 42201, 43764, 56268, 65646, 84402, 87528, 98469, 112536, 126603, 131292, 168804, 196938, 253206, 262584, 295407, 337608, 379809, 393876, 506412, 590814, 759618, 787752, 886221, 1012824, 1181628, 1519236, 1772442, 2363256, 2658663, 3038472, 3544884, 5317326, 7089768, 10634652, 21269304]

約数ペア:

[(1, 21269304), (2, 10634652), (3, 7089768), (4, 5317326), (6, 3544884), (7, 3038472), (8, 2658663), (9, 2363256), (12, 1772442), (14, 1519236), (18, 1181628), (21, 1012824), (24, 886221), (27, 787752), (28, 759618), (36, 590814), (42, 506412), (54, 393876), (56, 379809), (63, 337608), (72, 295407), (81, 262584), (84, 253206), (108, 196938), (126, 168804), (162, 131292), (168, 126603), (189, 112536), (216, 98469), (243, 87528), (252, 84402), (324, 65646), (378, 56268), (486, 43764), (504, 42201), (521, 40824), (567, 37512), (648, 32823), (729, 29176), (756, 28134), (972, 21882), (1042, 20412), (1134, 18756), (1458, 14588), (1512, 14067), (1563, 13608), (1701, 12504), (1944, 10941), (2084, 10206), (2268, 9378), (2916, 7294), (3126, 6804), (3402, 6252), (3647, 5832), (4168, 5103), (4536, 4689)]