21101055

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 13700865

約数列:

[1, 3, 5, 15, 59, 113, 177, 211, 295, 339, 565, 633, 885, 1055, 1695, 3165, 6667, 12449, 20001, 23843, 33335, 37347, 62245, 71529, 100005, 119215, 186735, 357645, 1406737, 4220211, 7033685, 21101055]

約数ペア:

[(1, 21101055), (3, 7033685), (5, 4220211), (15, 1406737), (59, 357645), (113, 186735), (177, 119215), (211, 100005), (295, 71529), (339, 62245), (565, 37347), (633, 33335), (885, 23843), (1055, 20001), (1695, 12449), (3165, 6667)]