21067218

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 48087936

約数和(自身を除く): 27020718

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 151, 207, 302, 337, 414, 453, 674, 906, 1011, 1359, 2022, 2718, 3033, 3473, 6066, 6946, 7751, 10419, 15502, 20838, 23253, 31257, 46506, 50887, 62514, 69759, 101774, 139518, 152661, 305322, 457983, 915966, 1170401, 2340802, 3511203, 7022406, 10533609, 21067218]

約数ペア:

[(1, 21067218), (2, 10533609), (3, 7022406), (6, 3511203), (9, 2340802), (18, 1170401), (23, 915966), (46, 457983), (69, 305322), (138, 152661), (151, 139518), (207, 101774), (302, 69759), (337, 62514), (414, 50887), (453, 46506), (674, 31257), (906, 23253), (1011, 20838), (1359, 15502), (2022, 10419), (2718, 7751), (3033, 6946), (3473, 6066)]