21383420439

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{79531}}^1$

素因数の和:79695

約数の個数: 32

約数和(自身を含む): 30922041600

約数和(自身を除く): 9538621161

約数列:

[1, 3, 19, 53, 57, 89, 159, 267, 1007, 1691, 3021, 4717, 5073, 14151, 79531, 89623, 238593, 268869, 1511089, 4215143, 4533267, 7078259, 12645429, 21234777, 80087717, 134486921, 240263151, 375147727, 403460763, 1125443181, 7127806813, 21383420439]

約数ペア:

[(1, 21383420439), (3, 7127806813), (19, 1125443181), (53, 403460763), (57, 375147727), (89, 240263151), (159, 134486921), (267, 80087717), (1007, 21234777), (1691, 12645429), (3021, 7078259), (4717, 4533267), (5073, 4215143), (14151, 1511089), (79531, 268869), (89623, 238593)]