21696400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4931}}^1$

素因数の和:4960

約数の個数: 60

約数和(自身を含む): 56875824

約数和(自身を除く): 35179424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4931, 9862, 19724, 24655, 39448, 49310, 54241, 78896, 98620, 108482, 123275, 197240, 216964, 246550, 271205, 394480, 433928, 493100, 542410, 867856, 986200, 1084820, 1356025, 1972400, 2169640, 2712050, 4339280, 5424100, 10848200, 21696400]

約数ペア:

[(1, 21696400), (2, 10848200), (4, 5424100), (5, 4339280), (8, 2712050), (10, 2169640), (11, 1972400), (16, 1356025), (20, 1084820), (22, 986200), (25, 867856), (40, 542410), (44, 493100), (50, 433928), (55, 394480), (80, 271205), (88, 246550), (100, 216964), (110, 197240), (176, 123275), (200, 108482), (220, 98620), (275, 78896), (400, 54241), (440, 49310), (550, 39448), (880, 24655), (1100, 19724), (2200, 9862), (4400, 4931)]