21052900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19139}}^1$

素因数の和:19164

約数の個数: 36

約数和(自身を含む): 49840560

約数和(自身を除く): 28787660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19139, 38278, 76556, 95695, 191390, 210529, 382780, 421058, 478475, 842116, 956950, 1052645, 1913900, 2105290, 4210580, 5263225, 10526450, 21052900]

約数ペア:

[(1, 21052900), (2, 10526450), (4, 5263225), (5, 4210580), (10, 2105290), (11, 1913900), (20, 1052645), (22, 956950), (25, 842116), (44, 478475), (50, 421058), (55, 382780), (100, 210529), (110, 191390), (220, 95695), (275, 76556), (550, 38278), (1100, 19139)]