21007029195

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1\times {\mathrm{7879}}^1$

素因数の和:8400

約数の個数: 48

約数和(自身を含む): 36730886400

約数和(自身を除く): 15723857205

約数列:

[1, 3, 5, 9, 15, 45, 179, 331, 537, 895, 993, 1611, 1655, 2685, 2979, 4965, 7879, 8055, 14895, 23637, 39395, 59249, 70911, 118185, 177747, 296245, 354555, 533241, 888735, 1410341, 2607949, 2666205, 4231023, 7051705, 7823847, 12693069, 13039745, 21155115, 23471541, 39119235, 63465345, 117357705, 466822871, 1400468613, 2334114355, 4201405839, 7002343065, 21007029195]

約数ペア:

[(1, 21007029195), (3, 7002343065), (5, 4201405839), (9, 2334114355), (15, 1400468613), (45, 466822871), (179, 117357705), (331, 63465345), (537, 39119235), (895, 23471541), (993, 21155115), (1611, 13039745), (1655, 12693069), (2685, 7823847), (2979, 7051705), (4965, 4231023), (7879, 2666205), (8055, 2607949), (14895, 1410341), (23637, 888735), (39395, 533241), (59249, 354555), (70911, 296245), (118185, 177747)]