21168970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3030

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19888310

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2969, 3565, 5938, 7130, 14845, 29690, 68287, 92039, 136574, 184078, 341435, 460195, 682870, 920390, 2116897, 4233794, 10584485, 21168970]

約数ペア:

[(1, 21168970), (2, 10584485), (5, 4233794), (10, 2116897), (23, 920390), (31, 682870), (46, 460195), (62, 341435), (115, 184078), (155, 136574), (230, 92039), (310, 68287), (713, 29690), (1426, 14845), (2969, 7130), (3565, 5938)]