21060975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21601}}^1$

素因数の和:21627

約数の個数: 24

約数和(自身を含む): 37501072

約数和(自身を除く): 16440097

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21601, 64803, 108005, 280813, 324015, 540025, 842439, 1404065, 1620075, 4212195, 7020325, 21060975]

約数ペア:

[(1, 21060975), (3, 7020325), (5, 4212195), (13, 1620075), (15, 1404065), (25, 842439), (39, 540025), (65, 324015), (75, 280813), (195, 108005), (325, 64803), (975, 21601)]