21106250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 43309728

約数和(自身を除く): 22203478

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 307, 550, 614, 625, 1250, 1375, 1535, 2750, 3070, 3125, 3377, 6250, 6754, 6875, 7675, 13750, 15350, 16885, 33770, 34375, 38375, 68750, 76750, 84425, 168850, 191875, 383750, 422125, 844250, 959375, 1918750, 2110625, 4221250, 10553125, 21106250]

約数ペア:

[(1, 21106250), (2, 10553125), (5, 4221250), (10, 2110625), (11, 1918750), (22, 959375), (25, 844250), (50, 422125), (55, 383750), (110, 191875), (125, 168850), (250, 84425), (275, 76750), (307, 68750), (550, 38375), (614, 34375), (625, 33770), (1250, 16885), (1375, 15350), (1535, 13750), (2750, 7675), (3070, 6875), (3125, 6754), (3377, 6250)]