21032014857

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{26209}}^1$

素因数の和:26382

約数の個数: 48

約数和(自身を含む): 33560542080

約数和(自身を除く): 12528527223

約数列:

[1, 3, 7, 21, 49, 53, 103, 147, 159, 309, 371, 721, 1113, 2163, 2597, 5047, 5459, 7791, 15141, 16377, 26209, 38213, 78627, 114639, 183463, 267491, 550389, 802473, 1284241, 1389077, 2699527, 3852723, 4167231, 8098581, 9723539, 18896689, 29170617, 56690067, 68064773, 132276823, 143074931, 204194319, 396830469, 429224793, 1001524517, 3004573551, 7010671619, 21032014857]

約数ペア:

[(1, 21032014857), (3, 7010671619), (7, 3004573551), (21, 1001524517), (49, 429224793), (53, 396830469), (103, 204194319), (147, 143074931), (159, 132276823), (309, 68064773), (371, 56690067), (721, 29170617), (1113, 18896689), (2163, 9723539), (2597, 8098581), (5047, 4167231), (5459, 3852723), (7791, 2699527), (15141, 1389077), (16377, 1284241), (26209, 802473), (38213, 550389), (78627, 267491), (114639, 183463)]