21157614

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 26353746

約数列:

[1, 2, 3, 6, 9, 18, 47, 89, 94, 141, 178, 267, 281, 282, 423, 534, 562, 801, 843, 846, 1602, 1686, 2529, 4183, 5058, 8366, 12549, 13207, 25009, 25098, 26414, 37647, 39621, 50018, 75027, 75294, 79242, 118863, 150054, 225081, 237726, 450162, 1175423, 2350846, 3526269, 7052538, 10578807, 21157614]

約数ペア:

[(1, 21157614), (2, 10578807), (3, 7052538), (6, 3526269), (9, 2350846), (18, 1175423), (47, 450162), (89, 237726), (94, 225081), (141, 150054), (178, 118863), (267, 79242), (281, 75294), (282, 75027), (423, 50018), (534, 39621), (562, 37647), (801, 26414), (843, 25098), (846, 25009), (1602, 13207), (1686, 12549), (2529, 8366), (4183, 5058)]