21343095

素因数分解:

$3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 38623200

約数和(自身を除く): 17280105

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 151, 349, 405, 453, 755, 1047, 1359, 1745, 2265, 3141, 4077, 5235, 6795, 9423, 12231, 15705, 20385, 28269, 47115, 52699, 61155, 141345, 158097, 263495, 474291, 790485, 1422873, 2371455, 4268619, 7114365, 21343095]

約数ペア:

[(1, 21343095), (3, 7114365), (5, 4268619), (9, 2371455), (15, 1422873), (27, 790485), (45, 474291), (81, 263495), (135, 158097), (151, 141345), (349, 61155), (405, 52699), (453, 47115), (755, 28269), (1047, 20385), (1359, 15705), (1745, 12231), (2265, 9423), (3141, 6795), (4077, 5235)]