21166684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3617}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 27459236

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3617, 5852, 7234, 14468, 25319, 39787, 50638, 68723, 79574, 101276, 137446, 159148, 274892, 278509, 481061, 557018, 755953, 962122, 1114036, 1511906, 1924244, 3023812, 5291671, 10583342, 21166684]

約数ペア:

[(1, 21166684), (2, 10583342), (4, 5291671), (7, 3023812), (11, 1924244), (14, 1511906), (19, 1114036), (22, 962122), (28, 755953), (38, 557018), (44, 481061), (76, 278509), (77, 274892), (133, 159148), (154, 137446), (209, 101276), (266, 79574), (308, 68723), (418, 50638), (532, 39787), (836, 25319), (1463, 14468), (2926, 7234), (3617, 5852)]