21111360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22011

約数の個数: 56

約数和(自身を含む): 67031616

約数和(自身を除く): 45920256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21991, 43982, 65973, 87964, 109955, 131946, 175928, 219910, 263892, 329865, 351856, 439820, 527784, 659730, 703712, 879640, 1055568, 1319460, 1407424, 1759280, 2111136, 2638920, 3518560, 4222272, 5277840, 7037120, 10555680, 21111360]

約数ペア:

[(1, 21111360), (2, 10555680), (3, 7037120), (4, 5277840), (5, 4222272), (6, 3518560), (8, 2638920), (10, 2111136), (12, 1759280), (15, 1407424), (16, 1319460), (20, 1055568), (24, 879640), (30, 703712), (32, 659730), (40, 527784), (48, 439820), (60, 351856), (64, 329865), (80, 263892), (96, 219910), (120, 175928), (160, 131946), (192, 109955), (240, 87964), (320, 65973), (480, 43982), (960, 21991)]