21957195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112601}}^1$

素因数の和:112622

約数の個数: 16

約数和(自身を含む): 37834272

約数和(自身を除く): 15877077

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 112601, 337803, 563005, 1463813, 1689015, 4391439, 7319065, 21957195]

約数ペア:

[(1, 21957195), (3, 7319065), (5, 4391439), (13, 1689015), (15, 1463813), (39, 563005), (65, 337803), (195, 112601)]