21617013

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 13316235

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 113, 121, 187, 339, 341, 363, 527, 561, 1023, 1243, 1581, 1921, 2057, 3503, 3729, 3751, 5763, 5797, 6171, 10509, 11253, 13673, 17391, 21131, 38533, 41019, 59551, 63393, 63767, 115599, 178653, 191301, 232441, 423863, 655061, 697323, 1271589, 1965183, 7205671, 21617013]

約数ペア:

[(1, 21617013), (3, 7205671), (11, 1965183), (17, 1271589), (31, 697323), (33, 655061), (51, 423863), (93, 232441), (113, 191301), (121, 178653), (187, 115599), (339, 63767), (341, 63393), (363, 59551), (527, 41019), (561, 38533), (1023, 21131), (1243, 17391), (1581, 13673), (1921, 11253), (2057, 10509), (3503, 6171), (3729, 5797), (3751, 5763)]