21031888608

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{557461}}^1$

素因数の和:557608

約数の個数: 72

約数和(自身を含む): 60266101896

約数和(自身を除く): 39234213288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 524, 786, 1048, 1179, 1572, 2096, 2358, 3144, 4192, 4716, 6288, 9432, 12576, 18864, 37728, 557461, 1114922, 1672383, 2229844, 3344766, 4459688, 5017149, 6689532, 8919376, 10034298, 13379064, 17838752, 20068596, 26758128, 40137192, 53516256, 73027391, 80274384, 146054782, 160548768, 219082173, 292109564, 438164346, 584219128, 657246519, 876328692, 1168438256, 1314493038, 1752657384, 2336876512, 2628986076, 3505314768, 5257972152, 7010629536, 10515944304, 21031888608]

約数ペア:

[(1, 21031888608), (2, 10515944304), (3, 7010629536), (4, 5257972152), (6, 3505314768), (8, 2628986076), (9, 2336876512), (12, 1752657384), (16, 1314493038), (18, 1168438256), (24, 876328692), (32, 657246519), (36, 584219128), (48, 438164346), (72, 292109564), (96, 219082173), (131, 160548768), (144, 146054782), (262, 80274384), (288, 73027391), (393, 53516256), (524, 40137192), (786, 26758128), (1048, 20068596), (1179, 17838752), (1572, 13379064), (2096, 10034298), (2358, 8919376), (3144, 6689532), (4192, 5017149), (4716, 4459688), (6288, 3344766), (9432, 2229844), (12576, 1672383), (18864, 1114922), (37728, 557461)]