21883225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9619}}^1$

素因数の和:9649

約数の個数: 24

約数和(自身を含む): 33400640

約数和(自身を除く): 11517415

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9619, 48095, 67333, 125047, 240475, 336665, 625235, 875329, 1683325, 3126175, 4376645, 21883225]

約数ペア:

[(1, 21883225), (5, 4376645), (7, 3126175), (13, 1683325), (25, 875329), (35, 625235), (65, 336665), (91, 240475), (175, 125047), (325, 67333), (455, 48095), (2275, 9619)]