21000681208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8779549}}^1$

素因数の和:8779591

約数の個数: 32

約数和(自身を含む): 44248932000

約数和(自身を除く): 23248250792

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8779549, 17559098, 35118196, 70236392, 114134137, 201929627, 228268274, 403859254, 456536548, 807718508, 913073096, 1615437016, 2625085151, 5250170302, 10500340604, 21000681208]

約数ペア:

[(1, 21000681208), (2, 10500340604), (4, 5250170302), (8, 2625085151), (13, 1615437016), (23, 913073096), (26, 807718508), (46, 456536548), (52, 403859254), (92, 228268274), (104, 201929627), (184, 114134137), (299, 70236392), (598, 35118196), (1196, 17559098), (2392, 8779549)]