21476224

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2179}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 53366400

約数和(自身を除く): 31890176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2179, 2464, 4358, 4928, 8716, 9856, 15253, 17432, 23969, 30506, 34864, 47938, 61012, 69728, 95876, 122024, 139456, 167783, 191752, 244048, 278912, 335566, 383504, 488096, 671132, 767008, 976192, 1342264, 1534016, 1952384, 2684528, 3068032, 5369056, 10738112, 21476224]

約数ペア:

[(1, 21476224), (2, 10738112), (4, 5369056), (7, 3068032), (8, 2684528), (11, 1952384), (14, 1534016), (16, 1342264), (22, 976192), (28, 767008), (32, 671132), (44, 488096), (56, 383504), (64, 335566), (77, 278912), (88, 244048), (112, 191752), (128, 167783), (154, 139456), (176, 122024), (224, 95876), (308, 69728), (352, 61012), (448, 47938), (616, 34864), (704, 30506), (896, 23969), (1232, 17432), (1408, 15253), (2179, 9856), (2464, 8716), (4358, 4928)]