21791476

素因数分解:

$2^2\times 7^4\times {\mathrm{2269}}^1$

素因数の和:2301

約数の個数: 30

約数和(自身を含む): 44507890

約数和(自身を除く): 22716414

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2269, 2401, 4538, 4802, 9076, 9604, 15883, 31766, 63532, 111181, 222362, 444724, 778267, 1556534, 3113068, 5447869, 10895738, 21791476]

約数ペア:

[(1, 21791476), (2, 10895738), (4, 5447869), (7, 3113068), (14, 1556534), (28, 778267), (49, 444724), (98, 222362), (196, 111181), (343, 63532), (686, 31766), (1372, 15883), (2269, 9604), (2401, 9076), (4538, 4802)]