21362224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3365

約数の個数: 40

約数和(自身を含む): 46024832

約数和(自身を除く): 24662608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 3313, 6448, 6626, 13252, 26504, 43069, 53008, 86138, 102703, 172276, 205406, 344552, 410812, 689104, 821624, 1335139, 1643248, 2670278, 5340556, 10681112, 21362224]

約数ペア:

[(1, 21362224), (2, 10681112), (4, 5340556), (8, 2670278), (13, 1643248), (16, 1335139), (26, 821624), (31, 689104), (52, 410812), (62, 344552), (104, 205406), (124, 172276), (208, 102703), (248, 86138), (403, 53008), (496, 43069), (806, 26504), (1612, 13252), (3224, 6626), (3313, 6448)]