21098935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 31062528

約数和(自身を除く): 9963593

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1283, 1495, 3289, 6415, 14113, 16445, 16679, 29509, 70565, 83395, 147545, 183469, 324599, 383617, 917345, 1622995, 1918085, 4219787, 21098935]

約数ペア:

[(1, 21098935), (5, 4219787), (11, 1918085), (13, 1622995), (23, 917345), (55, 383617), (65, 324599), (115, 183469), (143, 147545), (253, 83395), (299, 70565), (715, 29509), (1265, 16679), (1283, 16445), (1495, 14113), (3289, 6415)]