21171456

素因数分解:

$2^8\times 3^4\times {\mathrm{1021}}^1$

素因数の和:1049

約数の個数: 90

約数和(自身を含む): 63191282

約数和(自身を除く): 42019826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1021, 1152, 1296, 1728, 2042, 2304, 2592, 3063, 3456, 4084, 5184, 6126, 6912, 8168, 9189, 10368, 12252, 16336, 18378, 20736, 24504, 27567, 32672, 36756, 49008, 55134, 65344, 73512, 82701, 98016, 110268, 130688, 147024, 165402, 196032, 220536, 261376, 294048, 330804, 392064, 441072, 588096, 661608, 784128, 882144, 1176192, 1323216, 1764288, 2352384, 2646432, 3528576, 5292864, 7057152, 10585728, 21171456]

約数ペア:

[(1, 21171456), (2, 10585728), (3, 7057152), (4, 5292864), (6, 3528576), (8, 2646432), (9, 2352384), (12, 1764288), (16, 1323216), (18, 1176192), (24, 882144), (27, 784128), (32, 661608), (36, 588096), (48, 441072), (54, 392064), (64, 330804), (72, 294048), (81, 261376), (96, 220536), (108, 196032), (128, 165402), (144, 147024), (162, 130688), (192, 110268), (216, 98016), (256, 82701), (288, 73512), (324, 65344), (384, 55134), (432, 49008), (576, 36756), (648, 32672), (768, 27567), (864, 24504), (1021, 20736), (1152, 18378), (1296, 16336), (1728, 12252), (2042, 10368), (2304, 9189), (2592, 8168), (3063, 6912), (3456, 6126), (4084, 5184)]