21284382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{769}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 27502818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 659, 769, 1318, 1538, 1977, 2307, 3954, 4613, 4614, 5383, 9226, 10766, 13839, 16149, 27678, 32298, 506771, 1013542, 1520313, 3040626, 3547397, 7094794, 10642191, 21284382]

約数ペア:

[(1, 21284382), (2, 10642191), (3, 7094794), (6, 3547397), (7, 3040626), (14, 1520313), (21, 1013542), (42, 506771), (659, 32298), (769, 27678), (1318, 16149), (1538, 13839), (1977, 10766), (2307, 9226), (3954, 5383), (4613, 4614)]