21889472

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 30779968

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 59, 62, 64, 68, 88, 118, 124, 136, 176, 187, 236, 248, 272, 341, 352, 374, 472, 496, 527, 544, 649, 682, 704, 748, 944, 992, 1003, 1054, 1088, 1298, 1364, 1496, 1829, 1888, 1984, 2006, 2108, 2596, 2728, 2992, 3658, 3776, 4012, 4216, 5192, 5456, 5797, 5984, 7316, 8024, 8432, 10384, 10912, 11033, 11594, 11968, 14632, 16048, 16864, 20119, 20768, 21824, 22066, 23188, 29264, 31093, 32096, 33728, 40238, 41536, 44132, 46376, 58528, 62186, 64192, 80476, 88264, 92752, 117056, 124372, 160952, 176528, 185504, 248744, 321904, 342023, 353056, 371008, 497488, 643808, 684046, 706112, 994976, 1287616, 1368092, 1989952, 2736184, 5472368, 10944736, 21889472]

約数ペア:

[(1, 21889472), (2, 10944736), (4, 5472368), (8, 2736184), (11, 1989952), (16, 1368092), (17, 1287616), (22, 994976), (31, 706112), (32, 684046), (34, 643808), (44, 497488), (59, 371008), (62, 353056), (64, 342023), (68, 321904), (88, 248744), (118, 185504), (124, 176528), (136, 160952), (176, 124372), (187, 117056), (236, 92752), (248, 88264), (272, 80476), (341, 64192), (352, 62186), (374, 58528), (472, 46376), (496, 44132), (527, 41536), (544, 40238), (649, 33728), (682, 32096), (704, 31093), (748, 29264), (944, 23188), (992, 22066), (1003, 21824), (1054, 20768), (1088, 20119), (1298, 16864), (1364, 16048), (1496, 14632), (1829, 11968), (1888, 11594), (1984, 11033), (2006, 10912), (2108, 10384), (2596, 8432), (2728, 8024), (2992, 7316), (3658, 5984), (3776, 5797), (4012, 5456), (4216, 5192)]