21014145

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6397}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 36929256

約数和(自身を除く): 15915111

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6397, 19191, 31985, 57573, 95955, 287865, 466981, 1400943, 2334905, 4202829, 7004715, 21014145]

約数ペア:

[(1, 21014145), (3, 7004715), (5, 4202829), (9, 2334905), (15, 1400943), (45, 466981), (73, 287865), (219, 95955), (365, 57573), (657, 31985), (1095, 19191), (3285, 6397)]