21940160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 112

約数和(自身を含む): 59692032

約数和(自身を除く): 37751872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 271, 320, 352, 368, 440, 460, 506, 542, 704, 736, 880, 920, 1012, 1084, 1265, 1355, 1472, 1760, 1840, 2024, 2168, 2530, 2710, 2981, 3520, 3680, 4048, 4336, 5060, 5420, 5962, 6233, 7360, 8096, 8672, 10120, 10840, 11924, 12466, 14905, 16192, 17344, 20240, 21680, 23848, 24932, 29810, 31165, 40480, 43360, 47696, 49864, 59620, 62330, 68563, 80960, 86720, 95392, 99728, 119240, 124660, 137126, 190784, 199456, 238480, 249320, 274252, 342815, 398912, 476960, 498640, 548504, 685630, 953920, 997280, 1097008, 1371260, 1994560, 2194016, 2742520, 4388032, 5485040, 10970080, 21940160]

約数ペア:

[(1, 21940160), (2, 10970080), (4, 5485040), (5, 4388032), (8, 2742520), (10, 2194016), (11, 1994560), (16, 1371260), (20, 1097008), (22, 997280), (23, 953920), (32, 685630), (40, 548504), (44, 498640), (46, 476960), (55, 398912), (64, 342815), (80, 274252), (88, 249320), (92, 238480), (110, 199456), (115, 190784), (160, 137126), (176, 124660), (184, 119240), (220, 99728), (230, 95392), (253, 86720), (271, 80960), (320, 68563), (352, 62330), (368, 59620), (440, 49864), (460, 47696), (506, 43360), (542, 40480), (704, 31165), (736, 29810), (880, 24932), (920, 23848), (1012, 21680), (1084, 20240), (1265, 17344), (1355, 16192), (1472, 14905), (1760, 12466), (1840, 11924), (2024, 10840), (2168, 10120), (2530, 8672), (2710, 8096), (2981, 7360), (3520, 6233), (3680, 5962), (4048, 5420), (4336, 5060)]