21163776

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 59676624

約数和(自身を除く): 38512848

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, 256, 272, 384, 408, 544, 768, 816, 1088, 1621, 1632, 2176, 3242, 3264, 4352, 4863, 6484, 6528, 9726, 12968, 13056, 19452, 25936, 27557, 38904, 51872, 55114, 77808, 82671, 103744, 110228, 155616, 165342, 207488, 220456, 311232, 330684, 414976, 440912, 622464, 661368, 881824, 1244928, 1322736, 1763648, 2645472, 3527296, 5290944, 7054592, 10581888, 21163776]

約数ペア:

[(1, 21163776), (2, 10581888), (3, 7054592), (4, 5290944), (6, 3527296), (8, 2645472), (12, 1763648), (16, 1322736), (17, 1244928), (24, 881824), (32, 661368), (34, 622464), (48, 440912), (51, 414976), (64, 330684), (68, 311232), (96, 220456), (102, 207488), (128, 165342), (136, 155616), (192, 110228), (204, 103744), (256, 82671), (272, 77808), (384, 55114), (408, 51872), (544, 38904), (768, 27557), (816, 25936), (1088, 19452), (1621, 13056), (1632, 12968), (2176, 9726), (3242, 6528), (3264, 6484), (4352, 4863)]