21783450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11171}}^1$

素因数の和:11199

約数の個数: 48

約数和(自身を含む): 58183776

約数和(自身を除く): 36400326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11171, 22342, 33513, 55855, 67026, 111710, 145223, 167565, 279275, 290446, 335130, 435669, 558550, 726115, 837825, 871338, 1452230, 1675650, 2178345, 3630575, 4356690, 7261150, 10891725, 21783450]

約数ペア:

[(1, 21783450), (2, 10891725), (3, 7261150), (5, 4356690), (6, 3630575), (10, 2178345), (13, 1675650), (15, 1452230), (25, 871338), (26, 837825), (30, 726115), (39, 558550), (50, 435669), (65, 335130), (75, 290446), (78, 279275), (130, 167565), (150, 145223), (195, 111710), (325, 67026), (390, 55855), (650, 33513), (975, 22342), (1950, 11171)]