21646430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 20538370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 619, 1238, 1345, 2690, 3095, 3497, 6190, 6994, 8047, 16094, 17485, 34970, 40235, 80470, 166511, 333022, 832555, 1665110, 2164643, 4329286, 10823215, 21646430]

約数ペア:

[(1, 21646430), (2, 10823215), (5, 4329286), (10, 2164643), (13, 1665110), (26, 832555), (65, 333022), (130, 166511), (269, 80470), (538, 40235), (619, 34970), (1238, 17485), (1345, 16094), (2690, 8047), (3095, 6994), (3497, 6190)]