22121000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2011}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 56496960

約数和(自身を除く): 34375960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2011, 2200, 2750, 4022, 5500, 8044, 10055, 11000, 16088, 20110, 22121, 40220, 44242, 50275, 80440, 88484, 100550, 110605, 176968, 201100, 221210, 251375, 402200, 442420, 502750, 553025, 884840, 1005500, 1106050, 2011000, 2212100, 2765125, 4424200, 5530250, 11060500, 22121000]

約数ペア:

[(1, 22121000), (2, 11060500), (4, 5530250), (5, 4424200), (8, 2765125), (10, 2212100), (11, 2011000), (20, 1106050), (22, 1005500), (25, 884840), (40, 553025), (44, 502750), (50, 442420), (55, 402200), (88, 251375), (100, 221210), (110, 201100), (125, 176968), (200, 110605), (220, 100550), (250, 88484), (275, 80440), (440, 50275), (500, 44242), (550, 40220), (1000, 22121), (1100, 20110), (1375, 16088), (2011, 11000), (2200, 10055), (2750, 8044), (4022, 5500)]