21487366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13971194

約数列:

[1, 2, 19, 38, 47, 53, 94, 106, 227, 454, 893, 1007, 1786, 2014, 2491, 4313, 4982, 8626, 10669, 12031, 21338, 24062, 47329, 94658, 202711, 228589, 405422, 457178, 565457, 1130914, 10743683, 21487366]

約数ペア:

[(1, 21487366), (2, 10743683), (19, 1130914), (38, 565457), (47, 457178), (53, 405422), (94, 228589), (106, 202711), (227, 94658), (454, 47329), (893, 24062), (1007, 21338), (1786, 12031), (2014, 10669), (2491, 8626), (4313, 4982)]