21805610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19562710

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 839, 1130, 1678, 2599, 4195, 5198, 8390, 12995, 19297, 25990, 38594, 94807, 96485, 189614, 192970, 474035, 948070, 2180561, 4361122, 10902805, 21805610]

約数ペア:

[(1, 21805610), (2, 10902805), (5, 4361122), (10, 2180561), (23, 948070), (46, 474035), (113, 192970), (115, 189614), (226, 96485), (230, 94807), (565, 38594), (839, 25990), (1130, 19297), (1678, 12995), (2599, 8390), (4195, 5198)]