21542628

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 53101440

約数和(自身を除く): 31558812

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 877, 1068, 1754, 2047, 2631, 3508, 4094, 5262, 6141, 8188, 10524, 12282, 20171, 24564, 40342, 60513, 78053, 80684, 121026, 156106, 234159, 242052, 312212, 468318, 936636, 1795219, 3590438, 5385657, 7180876, 10771314, 21542628]

約数ペア:

[(1, 21542628), (2, 10771314), (3, 7180876), (4, 5385657), (6, 3590438), (12, 1795219), (23, 936636), (46, 468318), (69, 312212), (89, 242052), (92, 234159), (138, 156106), (178, 121026), (267, 80684), (276, 78053), (356, 60513), (534, 40342), (877, 24564), (1068, 20171), (1754, 12282), (2047, 10524), (2631, 8188), (3508, 6141), (4094, 5262)]