21966084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 64454208

約数和(自身を除く): 42488124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1301, 1407, 1876, 2412, 2602, 2814, 3903, 4221, 5204, 5628, 7806, 8442, 9107, 11709, 15612, 16884, 18214, 23418, 27321, 36428, 46836, 54642, 81963, 87167, 109284, 163926, 174334, 261501, 327852, 348668, 523002, 610169, 784503, 1046004, 1220338, 1569006, 1830507, 2440676, 3138012, 3661014, 5491521, 7322028, 10983042, 21966084]

約数ペア:

[(1, 21966084), (2, 10983042), (3, 7322028), (4, 5491521), (6, 3661014), (7, 3138012), (9, 2440676), (12, 1830507), (14, 1569006), (18, 1220338), (21, 1046004), (28, 784503), (36, 610169), (42, 523002), (63, 348668), (67, 327852), (84, 261501), (126, 174334), (134, 163926), (201, 109284), (252, 87167), (268, 81963), (402, 54642), (469, 46836), (603, 36428), (804, 27321), (938, 23418), (1206, 18214), (1301, 16884), (1407, 15612), (1876, 11709), (2412, 9107), (2602, 8442), (2814, 7806), (3903, 5628), (4221, 5204)]