21000456810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4964647}}^1$

素因数の和:4964707

約数の個数: 48

約数和(自身を含む): 55762926336

約数和(自身を除く): 34762469526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4964647, 9929294, 14893941, 24823235, 29787882, 44681823, 49646470, 74469705, 89363646, 148939410, 223409115, 233338409, 446818230, 466676818, 700015227, 1166692045, 1400030454, 2100045681, 2333384090, 3500076135, 4200091362, 7000152270, 10500228405, 21000456810]

約数ペア:

[(1, 21000456810), (2, 10500228405), (3, 7000152270), (5, 4200091362), (6, 3500076135), (9, 2333384090), (10, 2100045681), (15, 1400030454), (18, 1166692045), (30, 700015227), (45, 466676818), (47, 446818230), (90, 233338409), (94, 223409115), (141, 148939410), (235, 89363646), (282, 74469705), (423, 49646470), (470, 44681823), (705, 29787882), (846, 24823235), (1410, 14893941), (2115, 9929294), (4230, 4964647)]