21152803515

素因数分解:

$3^1\times 5^1\times {\mathrm{8969}}^1\times {\mathrm{157229}}^1$

素因数の和:166206

約数の個数: 16

約数和(自身を含む): 33848474400

約数和(自身を除く): 12695670885

約数列:

[1, 3, 5, 15, 8969, 26907, 44845, 134535, 157229, 471687, 786145, 2358435, 1410186901, 4230560703, 7050934505, 21152803515]

約数ペア:

[(1, 21152803515), (3, 7050934505), (5, 4230560703), (15, 1410186901), (8969, 2358435), (26907, 786145), (44845, 471687), (134535, 157229)]