21345426

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1175

約数の個数: 48

約数和(自身を含む): 49330944

約数和(自身を除く): 27985518

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 1081, 1097, 2162, 2194, 3243, 3291, 6486, 6582, 9729, 9873, 19458, 19746, 25231, 50462, 51559, 75693, 103118, 151386, 154677, 227079, 309354, 454158, 464031, 928062, 1185857, 2371714, 3557571, 7115142, 10672713, 21345426]

約数ペア:

[(1, 21345426), (2, 10672713), (3, 7115142), (6, 3557571), (9, 2371714), (18, 1185857), (23, 928062), (46, 464031), (47, 454158), (69, 309354), (94, 227079), (138, 154677), (141, 151386), (207, 103118), (282, 75693), (414, 51559), (423, 50462), (846, 25231), (1081, 19746), (1097, 19458), (2162, 9873), (2194, 9729), (3243, 6582), (3291, 6486)]