21605388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8297}}^1$

素因数の和:8342

約数の個数: 48

約数和(自身を含む): 59480064

約数和(自身を除く): 37874676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8297, 16594, 24891, 33188, 49782, 58079, 99564, 116158, 174237, 232316, 257207, 348474, 514414, 696948, 771621, 1028828, 1543242, 1800449, 3086484, 3600898, 5401347, 7201796, 10802694, 21605388]

約数ペア:

[(1, 21605388), (2, 10802694), (3, 7201796), (4, 5401347), (6, 3600898), (7, 3086484), (12, 1800449), (14, 1543242), (21, 1028828), (28, 771621), (31, 696948), (42, 514414), (62, 348474), (84, 257207), (93, 232316), (124, 174237), (186, 116158), (217, 99564), (372, 58079), (434, 49782), (651, 33188), (868, 24891), (1302, 16594), (2604, 8297)]