21442428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 42908292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 113, 126, 189, 226, 251, 252, 339, 378, 452, 502, 678, 753, 756, 791, 1004, 1017, 1356, 1506, 1582, 1757, 2034, 2259, 2373, 3012, 3051, 3164, 3514, 4068, 4518, 4746, 5271, 6102, 6777, 7028, 7119, 9036, 9492, 10542, 12204, 13554, 14238, 15813, 21084, 21357, 27108, 28363, 28476, 31626, 42714, 47439, 56726, 63252, 85089, 85428, 94878, 113452, 170178, 189756, 198541, 255267, 340356, 397082, 510534, 595623, 765801, 794164, 1021068, 1191246, 1531602, 1786869, 2382492, 3063204, 3573738, 5360607, 7147476, 10721214, 21442428]

約数ペア:

[(1, 21442428), (2, 10721214), (3, 7147476), (4, 5360607), (6, 3573738), (7, 3063204), (9, 2382492), (12, 1786869), (14, 1531602), (18, 1191246), (21, 1021068), (27, 794164), (28, 765801), (36, 595623), (42, 510534), (54, 397082), (63, 340356), (84, 255267), (108, 198541), (113, 189756), (126, 170178), (189, 113452), (226, 94878), (251, 85428), (252, 85089), (339, 63252), (378, 56726), (452, 47439), (502, 42714), (678, 31626), (753, 28476), (756, 28363), (791, 27108), (1004, 21357), (1017, 21084), (1356, 15813), (1506, 14238), (1582, 13554), (1757, 12204), (2034, 10542), (2259, 9492), (2373, 9036), (3012, 7119), (3051, 7028), (3164, 6777), (3514, 6102), (4068, 5271), (4518, 4746)]