21803790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1777}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 52486560

約数和(自身を除く): 30682770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1777, 2045, 2454, 3554, 4090, 5331, 6135, 8885, 10662, 12270, 17770, 26655, 53310, 726793, 1453586, 2180379, 3633965, 4360758, 7267930, 10901895, 21803790]

約数ペア:

[(1, 21803790), (2, 10901895), (3, 7267930), (5, 4360758), (6, 3633965), (10, 2180379), (15, 1453586), (30, 726793), (409, 53310), (818, 26655), (1227, 17770), (1777, 12270), (2045, 10662), (2454, 8885), (3554, 6135), (4090, 5331)]