21106320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87943}}^1$

素因数の和:87959

約数の個数: 40

約数和(自身を含む): 65430336

約数和(自身を除く): 44324016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87943, 175886, 263829, 351772, 439715, 527658, 703544, 879430, 1055316, 1319145, 1407088, 1758860, 2110632, 2638290, 3517720, 4221264, 5276580, 7035440, 10553160, 21106320]

約数ペア:

[(1, 21106320), (2, 10553160), (3, 7035440), (4, 5276580), (5, 4221264), (6, 3517720), (8, 2638290), (10, 2110632), (12, 1758860), (15, 1407088), (16, 1319145), (20, 1055316), (24, 879430), (30, 703544), (40, 527658), (48, 439715), (60, 351772), (80, 263829), (120, 175886), (240, 87943)]