21835550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 47106360

約数和(自身を除く): 25270810

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 37, 50, 55, 58, 74, 110, 145, 185, 275, 290, 319, 370, 407, 550, 638, 725, 814, 925, 1073, 1369, 1450, 1595, 1850, 2035, 2146, 2738, 3190, 4070, 5365, 6845, 7975, 10175, 10730, 11803, 13690, 15059, 15950, 20350, 23606, 26825, 30118, 34225, 39701, 53650, 59015, 68450, 75295, 79402, 118030, 150590, 198505, 295075, 376475, 397010, 436711, 590150, 752950, 873422, 992525, 1985050, 2183555, 4367110, 10917775, 21835550]

約数ペア:

[(1, 21835550), (2, 10917775), (5, 4367110), (10, 2183555), (11, 1985050), (22, 992525), (25, 873422), (29, 752950), (37, 590150), (50, 436711), (55, 397010), (58, 376475), (74, 295075), (110, 198505), (145, 150590), (185, 118030), (275, 79402), (290, 75295), (319, 68450), (370, 59015), (407, 53650), (550, 39701), (638, 34225), (725, 30118), (814, 26825), (925, 23606), (1073, 20350), (1369, 15950), (1450, 15059), (1595, 13690), (1850, 11803), (2035, 10730), (2146, 10175), (2738, 7975), (3190, 6845), (4070, 5365)]