21230880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4021}}^1$

素因数の和:4050

約数の個数: 96

約数和(自身を含む): 72975168

約数和(自身を除く): 51744288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 4021, 5280, 8042, 12063, 16084, 20105, 24126, 32168, 40210, 44231, 48252, 60315, 64336, 80420, 88462, 96504, 120630, 128672, 132693, 160840, 176924, 193008, 221155, 241260, 265386, 321680, 353848, 386016, 442310, 482520, 530772, 643360, 663465, 707696, 884620, 965040, 1061544, 1326930, 1415392, 1769240, 1930080, 2123088, 2653860, 3538480, 4246176, 5307720, 7076960, 10615440, 21230880]

約数ペア:

[(1, 21230880), (2, 10615440), (3, 7076960), (4, 5307720), (5, 4246176), (6, 3538480), (8, 2653860), (10, 2123088), (11, 1930080), (12, 1769240), (15, 1415392), (16, 1326930), (20, 1061544), (22, 965040), (24, 884620), (30, 707696), (32, 663465), (33, 643360), (40, 530772), (44, 482520), (48, 442310), (55, 386016), (60, 353848), (66, 321680), (80, 265386), (88, 241260), (96, 221155), (110, 193008), (120, 176924), (132, 160840), (160, 132693), (165, 128672), (176, 120630), (220, 96504), (240, 88462), (264, 80420), (330, 64336), (352, 60315), (440, 48252), (480, 44231), (528, 40210), (660, 32168), (880, 24126), (1056, 20105), (1320, 16084), (1760, 12063), (2640, 8042), (4021, 5280)]