21430914

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 45696960

約数和(自身を除く): 24266046

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 163, 326, 489, 978, 1289, 2578, 2771, 3867, 5542, 7734, 8313, 16626, 21913, 43826, 65739, 131478, 210107, 420214, 630321, 1260642, 3571819, 7143638, 10715457, 21430914]

約数ペア:

[(1, 21430914), (2, 10715457), (3, 7143638), (6, 3571819), (17, 1260642), (34, 630321), (51, 420214), (102, 210107), (163, 131478), (326, 65739), (489, 43826), (978, 21913), (1289, 16626), (2578, 8313), (2771, 7734), (3867, 5542)]