21638994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16319}}^1$

素因数の和:16354

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 27712686

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16319, 32638, 48957, 97914, 212147, 277423, 424294, 554846, 636441, 832269, 1272882, 1664538, 3606499, 7212998, 10819497, 21638994]

約数ペア:

[(1, 21638994), (2, 10819497), (3, 7212998), (6, 3606499), (13, 1664538), (17, 1272882), (26, 832269), (34, 636441), (39, 554846), (51, 424294), (78, 277423), (102, 212147), (221, 97914), (442, 48957), (663, 32638), (1326, 16319)]