21261696

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1$

素因数の和:3291

約数の個数: 64

約数和(自身を含む): 59816880

約数和(自身を除く): 38555184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 384, 408, 544, 816, 1088, 1632, 2176, 3257, 3264, 6514, 6528, 9771, 13028, 19542, 26056, 39084, 52112, 55369, 78168, 104224, 110738, 156336, 166107, 208448, 221476, 312672, 332214, 416896, 442952, 625344, 664428, 885904, 1250688, 1328856, 1771808, 2657712, 3543616, 5315424, 7087232, 10630848, 21261696]

約数ペア:

[(1, 21261696), (2, 10630848), (3, 7087232), (4, 5315424), (6, 3543616), (8, 2657712), (12, 1771808), (16, 1328856), (17, 1250688), (24, 885904), (32, 664428), (34, 625344), (48, 442952), (51, 416896), (64, 332214), (68, 312672), (96, 221476), (102, 208448), (128, 166107), (136, 156336), (192, 110738), (204, 104224), (272, 78168), (384, 55369), (408, 52112), (544, 39084), (816, 26056), (1088, 19542), (1632, 13028), (2176, 9771), (3257, 6528), (3264, 6514)]