21184819201

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{90619}}^1$

素因数の和:91013

約数の個数: 24

約数和(自身を含む): 26611831680

約数和(自身を除く): 5427012479

約数列:

[1, 7, 13, 49, 91, 367, 637, 2569, 4771, 17983, 33397, 90619, 233779, 634333, 1178047, 4440331, 8246329, 33257173, 57724303, 232800211, 432343249, 1629601477, 3026402743, 21184819201]

約数ペア:

[(1, 21184819201), (7, 3026402743), (13, 1629601477), (49, 432343249), (91, 232800211), (367, 57724303), (637, 33257173), (2569, 8246329), (4771, 4440331), (17983, 1178047), (33397, 634333), (90619, 233779)]