21595620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15649}}^1$

素因数の和:15684

約数の個数: 48

約数和(自身を含む): 63100800

約数和(自身を除く): 41505180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15649, 31298, 46947, 62596, 78245, 93894, 156490, 187788, 234735, 312980, 359927, 469470, 719854, 938940, 1079781, 1439708, 1799635, 2159562, 3599270, 4319124, 5398905, 7198540, 10797810, 21595620]

約数ペア:

[(1, 21595620), (2, 10797810), (3, 7198540), (4, 5398905), (5, 4319124), (6, 3599270), (10, 2159562), (12, 1799635), (15, 1439708), (20, 1079781), (23, 938940), (30, 719854), (46, 469470), (60, 359927), (69, 312980), (92, 234735), (115, 187788), (138, 156490), (230, 93894), (276, 78245), (345, 62596), (460, 46947), (690, 31298), (1380, 15649)]