21488068

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6449}}^1$

素因数の和:6484

約数の個数: 36

約数和(自身を含む): 46323900

約数和(自身を除く): 24835832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6449, 12898, 25796, 45143, 90286, 109633, 180572, 219266, 316001, 438532, 632002, 767431, 1264004, 1534862, 3069724, 5372017, 10744034, 21488068]

約数ペア:

[(1, 21488068), (2, 10744034), (4, 5372017), (7, 3069724), (14, 1534862), (17, 1264004), (28, 767431), (34, 632002), (49, 438532), (68, 316001), (98, 219266), (119, 180572), (196, 109633), (238, 90286), (476, 45143), (833, 25796), (1666, 12898), (3332, 6449)]