21663894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5107}}^1$

素因数の和:5220

約数の個数: 32

約数和(自身を含む): 50017536

約数和(自身を除く): 28353642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 5107, 10214, 15321, 30642, 35749, 71498, 107247, 214494, 515807, 1031614, 1547421, 3094842, 3610649, 7221298, 10831947, 21663894]

約数ペア:

[(1, 21663894), (2, 10831947), (3, 7221298), (6, 3610649), (7, 3094842), (14, 1547421), (21, 1031614), (42, 515807), (101, 214494), (202, 107247), (303, 71498), (606, 35749), (707, 30642), (1414, 15321), (2121, 10214), (4242, 5107)]