21960915

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{24001}}^1$

素因数の和:24070

約数の個数: 16

約数和(自身を含む): 35714976

約数和(自身を除く): 13754061

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 24001, 72003, 120005, 360015, 1464061, 4392183, 7320305, 21960915]

約数ペア:

[(1, 21960915), (3, 7320305), (5, 4392183), (15, 1464061), (61, 360015), (183, 120005), (305, 72003), (915, 24001)]