21525308

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 45528000

約数和(自身を除く): 24002692

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 343, 406, 541, 686, 812, 1082, 1372, 1421, 2164, 2842, 3787, 5684, 7574, 9947, 15148, 15689, 19894, 26509, 31378, 39788, 53018, 62756, 106036, 109823, 185563, 219646, 371126, 439292, 742252, 768761, 1537522, 3075044, 5381327, 10762654, 21525308]

約数ペア:

[(1, 21525308), (2, 10762654), (4, 5381327), (7, 3075044), (14, 1537522), (28, 768761), (29, 742252), (49, 439292), (58, 371126), (98, 219646), (116, 185563), (196, 109823), (203, 106036), (343, 62756), (406, 53018), (541, 39788), (686, 31378), (812, 26509), (1082, 19894), (1372, 15689), (1421, 15148), (2164, 9947), (2842, 7574), (3787, 5684)]