21396186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3613}}^1$

素因数の和:3675

約数の個数: 48

約数和(自身を含む): 54123264

約数和(自身を除く): 32727078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3613, 5922, 7226, 10839, 21678, 25291, 32517, 50582, 65034, 75873, 151746, 169811, 227619, 339622, 455238, 509433, 1018866, 1188677, 1528299, 2377354, 3056598, 3566031, 7132062, 10698093, 21396186]

約数ペア:

[(1, 21396186), (2, 10698093), (3, 7132062), (6, 3566031), (7, 3056598), (9, 2377354), (14, 1528299), (18, 1188677), (21, 1018866), (42, 509433), (47, 455238), (63, 339622), (94, 227619), (126, 169811), (141, 151746), (282, 75873), (329, 65034), (423, 50582), (658, 32517), (846, 25291), (987, 21678), (1974, 10839), (2961, 7226), (3613, 5922)]