21465504

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1110

約数の個数: 72

約数和(自身を含む): 61939332

約数和(自身を除く): 40473828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 1021, 1168, 1314, 1752, 2042, 2336, 2628, 3063, 3504, 4084, 5256, 6126, 7008, 8168, 9189, 10512, 12252, 16336, 18378, 21024, 24504, 32672, 36756, 49008, 73512, 74533, 98016, 147024, 149066, 223599, 294048, 298132, 447198, 596264, 670797, 894396, 1192528, 1341594, 1788792, 2385056, 2683188, 3577584, 5366376, 7155168, 10732752, 21465504]

約数ペア:

[(1, 21465504), (2, 10732752), (3, 7155168), (4, 5366376), (6, 3577584), (8, 2683188), (9, 2385056), (12, 1788792), (16, 1341594), (18, 1192528), (24, 894396), (32, 670797), (36, 596264), (48, 447198), (72, 298132), (73, 294048), (96, 223599), (144, 149066), (146, 147024), (219, 98016), (288, 74533), (292, 73512), (438, 49008), (584, 36756), (657, 32672), (876, 24504), (1021, 21024), (1168, 18378), (1314, 16336), (1752, 12252), (2042, 10512), (2336, 9189), (2628, 8168), (3063, 7008), (3504, 6126), (4084, 5256)]