21085388618

素因数分解:

$2^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2646923}}^1$

素因数の和:2647501

約数の個数: 16

約数和(自身を含む): 36209920320

約数和(自身を除く): 15124531702

約数列:

[1, 2, 7, 14, 569, 1138, 3983, 7966, 2646923, 5293846, 18528461, 37056922, 1506099187, 3012198374, 10542694309, 21085388618]

約数ペア:

[(1, 21085388618), (2, 10542694309), (7, 3012198374), (14, 1506099187), (569, 37056922), (1138, 18528461), (3983, 5293846), (7966, 2646923)]