21836337536

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{15641}}^1$

素因数の和:16507

約数の個数: 64

約数和(自身を含む): 46907229600

約数和(自身を除く): 25070892064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 839, 1664, 1678, 3356, 6712, 10907, 13424, 15641, 21814, 26848, 31282, 43628, 53696, 62564, 87256, 107392, 125128, 174512, 203333, 250256, 349024, 406666, 500512, 698048, 813332, 1001024, 1396096, 1626664, 2002048, 3253328, 6506656, 13013312, 13122799, 26026624, 26245598, 52491196, 104982392, 170596387, 209964784, 341192774, 419929568, 682385548, 839859136, 1364771096, 1679718272, 2729542192, 5459084384, 10918168768, 21836337536]

約数ペア:

[(1, 21836337536), (2, 10918168768), (4, 5459084384), (8, 2729542192), (13, 1679718272), (16, 1364771096), (26, 839859136), (32, 682385548), (52, 419929568), (64, 341192774), (104, 209964784), (128, 170596387), (208, 104982392), (416, 52491196), (832, 26245598), (839, 26026624), (1664, 13122799), (1678, 13013312), (3356, 6506656), (6712, 3253328), (10907, 2002048), (13424, 1626664), (15641, 1396096), (21814, 1001024), (26848, 813332), (31282, 698048), (43628, 500512), (53696, 406666), (62564, 349024), (87256, 250256), (107392, 203333), (125128, 174512)]