21806990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 19872370

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1607, 2714, 3214, 6785, 8035, 13570, 16070, 36961, 73922, 94813, 184805, 189626, 369610, 474065, 948130, 2180699, 4361398, 10903495, 21806990]

約数ペア:

[(1, 21806990), (2, 10903495), (5, 4361398), (10, 2180699), (23, 948130), (46, 474065), (59, 369610), (115, 189626), (118, 184805), (230, 94813), (295, 73922), (590, 36961), (1357, 16070), (1607, 13570), (2714, 8035), (3214, 6785)]