21590624

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 25402336

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 739, 913, 1328, 1478, 1826, 2656, 2956, 3652, 5912, 7304, 8129, 11824, 14608, 16258, 23648, 29216, 32516, 61337, 65032, 122674, 130064, 245348, 260128, 490696, 674707, 981392, 1349414, 1962784, 2698828, 5397656, 10795312, 21590624]

約数ペア:

[(1, 21590624), (2, 10795312), (4, 5397656), (8, 2698828), (11, 1962784), (16, 1349414), (22, 981392), (32, 674707), (44, 490696), (83, 260128), (88, 245348), (166, 130064), (176, 122674), (332, 65032), (352, 61337), (664, 32516), (739, 29216), (913, 23648), (1328, 16258), (1478, 14608), (1826, 11824), (2656, 8129), (2956, 7304), (3652, 5912)]