21719470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 41702400

約数和(自身を除く): 19982930

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1447, 1501, 2894, 3002, 7235, 7505, 14470, 15010, 27493, 54986, 114313, 137465, 228626, 274930, 571565, 1143130, 2171947, 4343894, 10859735, 21719470]

約数ペア:

[(1, 21719470), (2, 10859735), (5, 4343894), (10, 2171947), (19, 1143130), (38, 571565), (79, 274930), (95, 228626), (158, 137465), (190, 114313), (395, 54986), (790, 27493), (1447, 15010), (1501, 14470), (2894, 7505), (3002, 7235)]