21747360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45307}}^1$

素因数の和:45325

約数の個数: 48

約数和(自身を含む): 68505696

約数和(自身を除く): 46758336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45307, 90614, 135921, 181228, 226535, 271842, 362456, 453070, 543684, 679605, 724912, 906140, 1087368, 1359210, 1449824, 1812280, 2174736, 2718420, 3624560, 4349472, 5436840, 7249120, 10873680, 21747360]

約数ペア:

[(1, 21747360), (2, 10873680), (3, 7249120), (4, 5436840), (5, 4349472), (6, 3624560), (8, 2718420), (10, 2174736), (12, 1812280), (15, 1449824), (16, 1359210), (20, 1087368), (24, 906140), (30, 724912), (32, 679605), (40, 543684), (48, 453070), (60, 362456), (80, 271842), (96, 226535), (120, 181228), (160, 135921), (240, 90614), (480, 45307)]