21438076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 21835364

約数列:

[1, 2, 4, 11, 22, 29, 44, 53, 58, 106, 116, 212, 317, 319, 583, 634, 638, 1166, 1268, 1276, 1537, 2332, 3074, 3487, 6148, 6974, 9193, 13948, 16801, 16907, 18386, 33602, 33814, 36772, 67204, 67628, 101123, 184811, 202246, 369622, 404492, 487229, 739244, 974458, 1948916, 5359519, 10719038, 21438076]

約数ペア:

[(1, 21438076), (2, 10719038), (4, 5359519), (11, 1948916), (22, 974458), (29, 739244), (44, 487229), (53, 404492), (58, 369622), (106, 202246), (116, 184811), (212, 101123), (317, 67628), (319, 67204), (583, 36772), (634, 33814), (638, 33602), (1166, 18386), (1268, 16907), (1276, 16801), (1537, 13948), (2332, 9193), (3074, 6974), (3487, 6148)]