21107814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 52824576

約数和(自身を除く): 31716762

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 273, 402, 469, 546, 577, 871, 938, 1154, 1407, 1731, 1742, 2613, 2814, 3462, 4039, 5226, 6097, 7501, 8078, 12117, 12194, 15002, 18291, 22503, 24234, 36582, 38659, 45006, 52507, 77318, 105014, 115977, 157521, 231954, 270613, 315042, 502567, 541226, 811839, 1005134, 1507701, 1623678, 3015402, 3517969, 7035938, 10553907, 21107814]

約数ペア:

[(1, 21107814), (2, 10553907), (3, 7035938), (6, 3517969), (7, 3015402), (13, 1623678), (14, 1507701), (21, 1005134), (26, 811839), (39, 541226), (42, 502567), (67, 315042), (78, 270613), (91, 231954), (134, 157521), (182, 115977), (201, 105014), (273, 77318), (402, 52507), (469, 45006), (546, 38659), (577, 36582), (871, 24234), (938, 22503), (1154, 18291), (1407, 15002), (1731, 12194), (1742, 12117), (2613, 8078), (2814, 7501), (3462, 6097), (4039, 5226)]