21451104

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:580

約数の個数: 72

約数和(自身を含む): 61464312

約数和(自身を除く): 40013208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 353, 422, 633, 706, 844, 1059, 1266, 1412, 1688, 1899, 2118, 2532, 2824, 3177, 3376, 3798, 4236, 5064, 5648, 6354, 6752, 7596, 8472, 10128, 11296, 12708, 15192, 16944, 20256, 25416, 30384, 33888, 50832, 60768, 74483, 101664, 148966, 223449, 297932, 446898, 595864, 670347, 893796, 1191728, 1340694, 1787592, 2383456, 2681388, 3575184, 5362776, 7150368, 10725552, 21451104]

約数ペア:

[(1, 21451104), (2, 10725552), (3, 7150368), (4, 5362776), (6, 3575184), (8, 2681388), (9, 2383456), (12, 1787592), (16, 1340694), (18, 1191728), (24, 893796), (32, 670347), (36, 595864), (48, 446898), (72, 297932), (96, 223449), (144, 148966), (211, 101664), (288, 74483), (353, 60768), (422, 50832), (633, 33888), (706, 30384), (844, 25416), (1059, 20256), (1266, 16944), (1412, 15192), (1688, 12708), (1899, 11296), (2118, 10128), (2532, 8472), (2824, 7596), (3177, 6752), (3376, 6354), (3798, 5648), (4236, 5064)]