21291744

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9643}}^1$

素因数の和:9679

約数の個数: 48

約数和(自身を含む): 58326912

約数和(自身を除く): 37035168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9643, 19286, 28929, 38572, 57858, 77144, 115716, 154288, 221789, 231432, 308576, 443578, 462864, 665367, 887156, 925728, 1330734, 1774312, 2661468, 3548624, 5322936, 7097248, 10645872, 21291744]

約数ペア:

[(1, 21291744), (2, 10645872), (3, 7097248), (4, 5322936), (6, 3548624), (8, 2661468), (12, 1774312), (16, 1330734), (23, 925728), (24, 887156), (32, 665367), (46, 462864), (48, 443578), (69, 308576), (92, 231432), (96, 221789), (138, 154288), (184, 115716), (276, 77144), (368, 57858), (552, 38572), (736, 28929), (1104, 19286), (2208, 9643)]