21370095

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2683}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 38649600

約数和(自身を除く): 17279505

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 2683, 7965, 8049, 13415, 24147, 40245, 72441, 120735, 158297, 362205, 474891, 791485, 1424673, 2374455, 4274019, 7123365, 21370095]

約数ペア:

[(1, 21370095), (3, 7123365), (5, 4274019), (9, 2374455), (15, 1424673), (27, 791485), (45, 474891), (59, 362205), (135, 158297), (177, 120735), (295, 72441), (531, 40245), (885, 24147), (1593, 13415), (2655, 8049), (2683, 7965)]