21808896

素因数分解:

$2^8\times 3^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 58989840

約数和(自身を除く): 37180944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 256, 292, 384, 389, 438, 584, 768, 778, 876, 1167, 1168, 1556, 1752, 2334, 2336, 3112, 3504, 4668, 4672, 6224, 7008, 9336, 9344, 12448, 14016, 18672, 18688, 24896, 28032, 28397, 37344, 49792, 56064, 56794, 74688, 85191, 99584, 113588, 149376, 170382, 227176, 298752, 340764, 454352, 681528, 908704, 1363056, 1817408, 2726112, 3634816, 5452224, 7269632, 10904448, 21808896]

約数ペア:

[(1, 21808896), (2, 10904448), (3, 7269632), (4, 5452224), (6, 3634816), (8, 2726112), (12, 1817408), (16, 1363056), (24, 908704), (32, 681528), (48, 454352), (64, 340764), (73, 298752), (96, 227176), (128, 170382), (146, 149376), (192, 113588), (219, 99584), (256, 85191), (292, 74688), (384, 56794), (389, 56064), (438, 49792), (584, 37344), (768, 28397), (778, 28032), (876, 24896), (1167, 18688), (1168, 18672), (1556, 14016), (1752, 12448), (2334, 9344), (2336, 9336), (3112, 7008), (3504, 6224), (4668, 4672)]