21862144

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 47093760

約数和(自身を除く): 25231616

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 79, 92, 94, 128, 158, 184, 188, 256, 316, 368, 376, 632, 736, 752, 1081, 1264, 1472, 1504, 1817, 2162, 2528, 2944, 3008, 3634, 3713, 4324, 5056, 5888, 6016, 7268, 7426, 8648, 10112, 12032, 14536, 14852, 17296, 20224, 29072, 29704, 34592, 58144, 59408, 69184, 85399, 116288, 118816, 138368, 170798, 232576, 237632, 276736, 341596, 465152, 475264, 683192, 950528, 1366384, 2732768, 5465536, 10931072, 21862144]

約数ペア:

[(1, 21862144), (2, 10931072), (4, 5465536), (8, 2732768), (16, 1366384), (23, 950528), (32, 683192), (46, 475264), (47, 465152), (64, 341596), (79, 276736), (92, 237632), (94, 232576), (128, 170798), (158, 138368), (184, 118816), (188, 116288), (256, 85399), (316, 69184), (368, 59408), (376, 58144), (632, 34592), (736, 29704), (752, 29072), (1081, 20224), (1264, 17296), (1472, 14852), (1504, 14536), (1817, 12032), (2162, 10112), (2528, 8648), (2944, 7426), (3008, 7268), (3634, 6016), (3713, 5888), (4324, 5056)]