21687712

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 23551328

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 368, 373, 632, 736, 746, 1264, 1492, 1817, 2528, 2984, 3634, 5968, 7268, 8579, 11936, 14536, 17158, 29072, 29467, 34316, 58144, 58934, 68632, 117868, 137264, 235736, 274528, 471472, 677741, 942944, 1355482, 2710964, 5421928, 10843856, 21687712]

約数ペア:

[(1, 21687712), (2, 10843856), (4, 5421928), (8, 2710964), (16, 1355482), (23, 942944), (32, 677741), (46, 471472), (79, 274528), (92, 235736), (158, 137264), (184, 117868), (316, 68632), (368, 58934), (373, 58144), (632, 34316), (736, 29467), (746, 29072), (1264, 17158), (1492, 14536), (1817, 11936), (2528, 8579), (2984, 7268), (3634, 5968)]