21992222115

素因数分解:

$3^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{171299}}^1$

素因数の和:171633

約数の個数: 40

約数和(自身を含む): 39547688400

約数和(自身を除く): 17555466285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 317, 405, 951, 1585, 2853, 4755, 8559, 14265, 25677, 42795, 128385, 171299, 513897, 856495, 1541691, 2569485, 4625073, 7708455, 13875219, 23125365, 54301783, 69376095, 162905349, 271508915, 488716047, 814526745, 1466148141, 2443580235, 4398444423, 7330740705, 21992222115]

約数ペア:

[(1, 21992222115), (3, 7330740705), (5, 4398444423), (9, 2443580235), (15, 1466148141), (27, 814526745), (45, 488716047), (81, 271508915), (135, 162905349), (317, 69376095), (405, 54301783), (951, 23125365), (1585, 13875219), (2853, 7708455), (4755, 4625073), (8559, 2569485), (14265, 1541691), (25677, 856495), (42795, 513897), (128385, 171299)]