21090592

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22575968

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 74, 94, 148, 188, 296, 376, 379, 592, 752, 758, 1184, 1504, 1516, 1739, 3032, 3478, 6064, 6956, 12128, 13912, 14023, 17813, 27824, 28046, 35626, 55648, 56092, 71252, 112184, 142504, 224368, 285008, 448736, 570016, 659081, 1318162, 2636324, 5272648, 10545296, 21090592]

約数ペア:

[(1, 21090592), (2, 10545296), (4, 5272648), (8, 2636324), (16, 1318162), (32, 659081), (37, 570016), (47, 448736), (74, 285008), (94, 224368), (148, 142504), (188, 112184), (296, 71252), (376, 56092), (379, 55648), (592, 35626), (752, 28046), (758, 27824), (1184, 17813), (1504, 14023), (1516, 13912), (1739, 12128), (3032, 6956), (3478, 6064)]