21547872

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3292

約数の個数: 72

約数和(自身を含む): 63960624

約数和(自身を除く): 42412752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3253, 3312, 6506, 6624, 9759, 13012, 19518, 26024, 29277, 39036, 52048, 58554, 74819, 78072, 104096, 117108, 149638, 156144, 224457, 234216, 299276, 312288, 448914, 468432, 598552, 673371, 897828, 936864, 1197104, 1346742, 1795656, 2394208, 2693484, 3591312, 5386968, 7182624, 10773936, 21547872]

約数ペア:

[(1, 21547872), (2, 10773936), (3, 7182624), (4, 5386968), (6, 3591312), (8, 2693484), (9, 2394208), (12, 1795656), (16, 1346742), (18, 1197104), (23, 936864), (24, 897828), (32, 673371), (36, 598552), (46, 468432), (48, 448914), (69, 312288), (72, 299276), (92, 234216), (96, 224457), (138, 156144), (144, 149638), (184, 117108), (207, 104096), (276, 78072), (288, 74819), (368, 58554), (414, 52048), (552, 39036), (736, 29277), (828, 26024), (1104, 19518), (1656, 13012), (2208, 9759), (3253, 6624), (3312, 6506)]