21642156969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{27017}}^1$

素因数の和:27289

約数の個数: 32

約数和(自身を含む): 31046924160

約数和(自身を除く): 9404767191

約数列:

[1, 3, 17, 51, 113, 139, 339, 417, 1921, 2363, 5763, 7089, 15707, 27017, 47121, 81051, 267019, 459289, 801057, 1377867, 3052921, 3755363, 9158763, 11266089, 51899657, 63841171, 155698971, 191523513, 424356019, 1273068057, 7214052323, 21642156969]

約数ペア:

[(1, 21642156969), (3, 7214052323), (17, 1273068057), (51, 424356019), (113, 191523513), (139, 155698971), (339, 63841171), (417, 51899657), (1921, 11266089), (2363, 9158763), (5763, 3755363), (7089, 3052921), (15707, 1377867), (27017, 801057), (47121, 459289), (81051, 267019)]