21344988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 59856384

約数和(自身を除く): 38511396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1171, 1302, 1519, 2342, 2604, 3038, 3513, 4557, 4684, 6076, 7026, 8197, 9114, 14052, 16394, 18228, 24591, 32788, 36301, 49182, 57379, 72602, 98364, 108903, 114758, 145204, 172137, 217806, 229516, 254107, 344274, 435612, 508214, 688548, 762321, 1016428, 1524642, 1778749, 3049284, 3557498, 5336247, 7114996, 10672494, 21344988]

約数ペア:

[(1, 21344988), (2, 10672494), (3, 7114996), (4, 5336247), (6, 3557498), (7, 3049284), (12, 1778749), (14, 1524642), (21, 1016428), (28, 762321), (31, 688548), (42, 508214), (49, 435612), (62, 344274), (84, 254107), (93, 229516), (98, 217806), (124, 172137), (147, 145204), (186, 114758), (196, 108903), (217, 98364), (294, 72602), (372, 57379), (434, 49182), (588, 36301), (651, 32788), (868, 24591), (1171, 18228), (1302, 16394), (1519, 14052), (2342, 9114), (2604, 8197), (3038, 7026), (3513, 6076), (4557, 4684)]