21936480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2028

約数の個数: 96

約数和(自身を含む): 72140544

約数和(自身を除く): 50204064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1987, 2208, 2760, 3680, 3974, 5520, 5961, 7948, 9935, 11040, 11922, 15896, 19870, 23844, 29805, 31792, 39740, 45701, 47688, 59610, 63584, 79480, 91402, 95376, 119220, 137103, 158960, 182804, 190752, 228505, 238440, 274206, 317920, 365608, 457010, 476880, 548412, 685515, 731216, 914020, 953760, 1096824, 1371030, 1462432, 1828040, 2193648, 2742060, 3656080, 4387296, 5484120, 7312160, 10968240, 21936480]

約数ペア:

[(1, 21936480), (2, 10968240), (3, 7312160), (4, 5484120), (5, 4387296), (6, 3656080), (8, 2742060), (10, 2193648), (12, 1828040), (15, 1462432), (16, 1371030), (20, 1096824), (23, 953760), (24, 914020), (30, 731216), (32, 685515), (40, 548412), (46, 476880), (48, 457010), (60, 365608), (69, 317920), (80, 274206), (92, 238440), (96, 228505), (115, 190752), (120, 182804), (138, 158960), (160, 137103), (184, 119220), (230, 95376), (240, 91402), (276, 79480), (345, 63584), (368, 59610), (460, 47688), (480, 45701), (552, 39740), (690, 31792), (736, 29805), (920, 23844), (1104, 19870), (1380, 15896), (1840, 11922), (1987, 11040), (2208, 9935), (2760, 7948), (3680, 5961), (3974, 5520)]