21682716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 56530320

約数和(自身を除く): 34847604

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 121, 132, 137, 218, 242, 274, 327, 363, 411, 436, 484, 548, 654, 726, 822, 1199, 1308, 1452, 1507, 1644, 2398, 3014, 3597, 4521, 4796, 6028, 7194, 9042, 13189, 14388, 14933, 16577, 18084, 26378, 29866, 33154, 39567, 44799, 49731, 52756, 59732, 66308, 79134, 89598, 99462, 158268, 164263, 179196, 198924, 328526, 492789, 657052, 985578, 1806893, 1971156, 3613786, 5420679, 7227572, 10841358, 21682716]

約数ペア:

[(1, 21682716), (2, 10841358), (3, 7227572), (4, 5420679), (6, 3613786), (11, 1971156), (12, 1806893), (22, 985578), (33, 657052), (44, 492789), (66, 328526), (109, 198924), (121, 179196), (132, 164263), (137, 158268), (218, 99462), (242, 89598), (274, 79134), (327, 66308), (363, 59732), (411, 52756), (436, 49731), (484, 44799), (548, 39567), (654, 33154), (726, 29866), (822, 26378), (1199, 18084), (1308, 16577), (1452, 14933), (1507, 14388), (1644, 13189), (2398, 9042), (3014, 7194), (3597, 6028), (4521, 4796)]