21851475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{6199}}^1$

素因数の和:6259

約数の個数: 24

約数和(自身を含む): 36902400

約数和(自身を除く): 15050925

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 6199, 18597, 30995, 92985, 154975, 291353, 464925, 874059, 1456765, 4370295, 7283825, 21851475]

約数ペア:

[(1, 21851475), (3, 7283825), (5, 4370295), (15, 1456765), (25, 874059), (47, 464925), (75, 291353), (141, 154975), (235, 92985), (705, 30995), (1175, 18597), (3525, 6199)]