21717666

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 28970334

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 47, 54, 86, 94, 129, 141, 199, 258, 282, 387, 398, 423, 597, 774, 846, 1161, 1194, 1269, 1791, 2021, 2322, 2538, 3582, 4042, 5373, 6063, 8557, 9353, 10746, 12126, 17114, 18189, 18706, 25671, 28059, 36378, 51342, 54567, 56118, 77013, 84177, 109134, 154026, 168354, 231039, 252531, 402179, 462078, 505062, 804358, 1206537, 2413074, 3619611, 7239222, 10858833, 21717666]

約数ペア:

[(1, 21717666), (2, 10858833), (3, 7239222), (6, 3619611), (9, 2413074), (18, 1206537), (27, 804358), (43, 505062), (47, 462078), (54, 402179), (86, 252531), (94, 231039), (129, 168354), (141, 154026), (199, 109134), (258, 84177), (282, 77013), (387, 56118), (398, 54567), (423, 51342), (597, 36378), (774, 28059), (846, 25671), (1161, 18706), (1194, 18189), (1269, 17114), (1791, 12126), (2021, 10746), (2322, 9353), (2538, 8557), (3582, 6063), (4042, 5373)]