21376936

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 48673440

約数和(自身を除く): 27296504

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 2371, 4508, 4742, 9016, 9484, 16597, 18968, 33194, 54533, 66388, 109066, 116179, 132776, 218132, 232358, 381731, 436264, 464716, 763462, 929432, 1526924, 2672117, 3053848, 5344234, 10688468, 21376936]

約数ペア:

[(1, 21376936), (2, 10688468), (4, 5344234), (7, 3053848), (8, 2672117), (14, 1526924), (23, 929432), (28, 763462), (46, 464716), (49, 436264), (56, 381731), (92, 232358), (98, 218132), (161, 132776), (184, 116179), (196, 109066), (322, 66388), (392, 54533), (644, 33194), (1127, 18968), (1288, 16597), (2254, 9484), (2371, 9016), (4508, 4742)]