21621654

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2651

約数の個数: 48

約数和(自身を含む): 51459408

約数和(自身を除く): 29837754

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2617, 2754, 4131, 5234, 7851, 8262, 15702, 23553, 44489, 47106, 70659, 88978, 133467, 141318, 211977, 266934, 400401, 423954, 635931, 800802, 1201203, 1271862, 2402406, 3603609, 7207218, 10810827, 21621654]

約数ペア:

[(1, 21621654), (2, 10810827), (3, 7207218), (6, 3603609), (9, 2402406), (17, 1271862), (18, 1201203), (27, 800802), (34, 635931), (51, 423954), (54, 400401), (81, 266934), (102, 211977), (153, 141318), (162, 133467), (243, 88978), (306, 70659), (459, 47106), (486, 44489), (918, 23553), (1377, 15702), (2617, 8262), (2754, 7851), (4131, 5234)]