21974775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12739}}^1$

素因数の和:12775

約数の個数: 24

約数和(自身を含む): 37914240

約数和(自身を除く): 15939465

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12739, 38217, 63695, 191085, 292997, 318475, 878991, 955425, 1464985, 4394955, 7324925, 21974775]

約数ペア:

[(1, 21974775), (3, 7324925), (5, 4394955), (15, 1464985), (23, 955425), (25, 878991), (69, 318475), (75, 292997), (115, 191085), (345, 63695), (575, 38217), (1725, 12739)]