21678680340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2041307}}^1$

素因数の和:2041381

約数の個数: 72

約数和(自身を含む): 66873250080

約数和(自身を除く): 45194569740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 2041307, 4082614, 6123921, 8165228, 10206535, 12247842, 18371763, 20413070, 24495684, 30619605, 36743526, 40826140, 61239210, 73487052, 91858815, 120437113, 122478420, 183717630, 240874226, 361311339, 367435260, 481748452, 602185565, 722622678, 1083934017, 1204371130, 1445245356, 1806556695, 2167868034, 2408742260, 3613113390, 4335736068, 5419670085, 7226226780, 10839340170, 21678680340]

約数ペア:

[(1, 21678680340), (2, 10839340170), (3, 7226226780), (4, 5419670085), (5, 4335736068), (6, 3613113390), (9, 2408742260), (10, 2167868034), (12, 1806556695), (15, 1445245356), (18, 1204371130), (20, 1083934017), (30, 722622678), (36, 602185565), (45, 481748452), (59, 367435260), (60, 361311339), (90, 240874226), (118, 183717630), (177, 122478420), (180, 120437113), (236, 91858815), (295, 73487052), (354, 61239210), (531, 40826140), (590, 36743526), (708, 30619605), (885, 24495684), (1062, 20413070), (1180, 18371763), (1770, 12247842), (2124, 10206535), (2655, 8165228), (3540, 6123921), (5310, 4082614), (10620, 2041307)]