21111228

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14303}}^1$

素因数の和:14354

約数の個数: 36

約数和(自身を含む): 54669888

約数和(自身を除く): 33558660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14303, 28606, 42909, 57212, 85818, 128727, 171636, 257454, 514908, 586423, 1172846, 1759269, 2345692, 3518538, 5277807, 7037076, 10555614, 21111228]

約数ペア:

[(1, 21111228), (2, 10555614), (3, 7037076), (4, 5277807), (6, 3518538), (9, 2345692), (12, 1759269), (18, 1172846), (36, 586423), (41, 514908), (82, 257454), (123, 171636), (164, 128727), (246, 85818), (369, 57212), (492, 42909), (738, 28606), (1476, 14303)]