21733888

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 50380704

約数和(自身を除く): 28646816

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 227, 256, 272, 352, 374, 454, 512, 544, 704, 748, 908, 1088, 1408, 1496, 1816, 2176, 2497, 2816, 2992, 3632, 3859, 4352, 4994, 5632, 5984, 7264, 7718, 8704, 9988, 11968, 14528, 15436, 19976, 23936, 29056, 30872, 39952, 42449, 47872, 58112, 61744, 79904, 84898, 95744, 116224, 123488, 159808, 169796, 246976, 319616, 339592, 493952, 639232, 679184, 987904, 1278464, 1358368, 1975808, 2716736, 5433472, 10866944, 21733888]

約数ペア:

[(1, 21733888), (2, 10866944), (4, 5433472), (8, 2716736), (11, 1975808), (16, 1358368), (17, 1278464), (22, 987904), (32, 679184), (34, 639232), (44, 493952), (64, 339592), (68, 319616), (88, 246976), (128, 169796), (136, 159808), (176, 123488), (187, 116224), (227, 95744), (256, 84898), (272, 79904), (352, 61744), (374, 58112), (454, 47872), (512, 42449), (544, 39952), (704, 30872), (748, 29056), (908, 23936), (1088, 19976), (1408, 15436), (1496, 14528), (1816, 11968), (2176, 9988), (2497, 8704), (2816, 7718), (2992, 7264), (3632, 5984), (3859, 5632), (4352, 4994)]