21431032

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 48796560

約数和(自身を除く): 27365528

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, 2377, 4508, 4754, 9016, 9508, 16639, 19016, 33278, 54671, 66556, 109342, 116473, 133112, 218684, 232946, 382697, 437368, 465892, 765394, 931784, 1530788, 2678879, 3061576, 5357758, 10715516, 21431032]

約数ペア:

[(1, 21431032), (2, 10715516), (4, 5357758), (7, 3061576), (8, 2678879), (14, 1530788), (23, 931784), (28, 765394), (46, 465892), (49, 437368), (56, 382697), (92, 232946), (98, 218684), (161, 133112), (184, 116473), (196, 109342), (322, 66556), (392, 54671), (644, 33278), (1127, 19016), (1288, 16639), (2254, 9508), (2377, 9016), (4508, 4754)]