21000835450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{269069}}^1$

素因数の和:269311

約数の個数: 48

約数和(自身を含む): 44842129920

約数和(自身を除く): 23841294470

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 223, 350, 446, 1115, 1561, 2230, 3122, 5575, 7805, 11150, 15610, 39025, 78050, 269069, 538138, 1345345, 1883483, 2690690, 3766966, 6726725, 9417415, 13453450, 18834830, 47087075, 60002387, 94174150, 120004774, 300011935, 420016709, 600023870, 840033418, 1500059675, 2100083545, 3000119350, 4200167090, 10500417725, 21000835450]

約数ペア:

[(1, 21000835450), (2, 10500417725), (5, 4200167090), (7, 3000119350), (10, 2100083545), (14, 1500059675), (25, 840033418), (35, 600023870), (50, 420016709), (70, 300011935), (175, 120004774), (223, 94174150), (350, 60002387), (446, 47087075), (1115, 18834830), (1561, 13453450), (2230, 9417415), (3122, 6726725), (5575, 3766966), (7805, 2690690), (11150, 1883483), (15610, 1345345), (39025, 538138), (78050, 269069)]