21877488

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1246

約数の個数: 60

約数和(自身を含む): 61723480

約数和(自身を除く): 39845992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1093, 1112, 1251, 1668, 2186, 2224, 2502, 3279, 3336, 4372, 5004, 6558, 6672, 8744, 9837, 10008, 13116, 17488, 19674, 20016, 26232, 39348, 52464, 78696, 151927, 157392, 303854, 455781, 607708, 911562, 1215416, 1367343, 1823124, 2430832, 2734686, 3646248, 5469372, 7292496, 10938744, 21877488]

約数ペア:

[(1, 21877488), (2, 10938744), (3, 7292496), (4, 5469372), (6, 3646248), (8, 2734686), (9, 2430832), (12, 1823124), (16, 1367343), (18, 1215416), (24, 911562), (36, 607708), (48, 455781), (72, 303854), (139, 157392), (144, 151927), (278, 78696), (417, 52464), (556, 39348), (834, 26232), (1093, 20016), (1112, 19674), (1251, 17488), (1668, 13116), (2186, 10008), (2224, 9837), (2502, 8744), (3279, 6672), (3336, 6558), (4372, 5004)]