21768756

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 32045004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 307, 311, 614, 622, 921, 933, 1228, 1244, 1842, 1866, 3684, 3732, 5833, 5909, 11666, 11818, 17499, 17727, 23332, 23636, 34998, 35454, 69996, 70908, 95477, 190954, 286431, 381908, 572862, 1145724, 1814063, 3628126, 5442189, 7256252, 10884378, 21768756]

約数ペア:

[(1, 21768756), (2, 10884378), (3, 7256252), (4, 5442189), (6, 3628126), (12, 1814063), (19, 1145724), (38, 572862), (57, 381908), (76, 286431), (114, 190954), (228, 95477), (307, 70908), (311, 69996), (614, 35454), (622, 34998), (921, 23636), (933, 23332), (1228, 17727), (1244, 17499), (1842, 11818), (1866, 11666), (3684, 5909), (3732, 5833)]