21580494848

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1951}}^1$

素因数の和:2475

約数の個数: 96

約数和(自身を含む): 47193269760

約数和(自身を除く): 25612774912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 491, 512, 704, 982, 1024, 1408, 1951, 1964, 2048, 2816, 3902, 3928, 5401, 5632, 7804, 7856, 10802, 11264, 15608, 15712, 21461, 21604, 22528, 31216, 31424, 42922, 43208, 62432, 62848, 85844, 86416, 124864, 125696, 171688, 172832, 249728, 251392, 343376, 345664, 499456, 502784, 686752, 691328, 957941, 998912, 1005568, 1373504, 1382656, 1915882, 1997824, 2747008, 2765312, 3831764, 3995648, 5494016, 5530624, 7663528, 10537351, 10988032, 11061248, 15327056, 21074702, 21976064, 30654112, 42149404, 43952128, 61308224, 84298808, 122616448, 168597616, 245232896, 337195232, 490465792, 674390464, 980931584, 1348780928, 1961863168, 2697561856, 5395123712, 10790247424, 21580494848]

約数ペア:

[(1, 21580494848), (2, 10790247424), (4, 5395123712), (8, 2697561856), (11, 1961863168), (16, 1348780928), (22, 980931584), (32, 674390464), (44, 490465792), (64, 337195232), (88, 245232896), (128, 168597616), (176, 122616448), (256, 84298808), (352, 61308224), (491, 43952128), (512, 42149404), (704, 30654112), (982, 21976064), (1024, 21074702), (1408, 15327056), (1951, 11061248), (1964, 10988032), (2048, 10537351), (2816, 7663528), (3902, 5530624), (3928, 5494016), (5401, 3995648), (5632, 3831764), (7804, 2765312), (7856, 2747008), (10802, 1997824), (11264, 1915882), (15608, 1382656), (15712, 1373504), (21461, 1005568), (21604, 998912), (22528, 957941), (31216, 691328), (31424, 686752), (42922, 502784), (43208, 499456), (62432, 345664), (62848, 343376), (85844, 251392), (86416, 249728), (124864, 172832), (125696, 171688)]