21036705540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1127369}}^1$

素因数の和:1127692

約数の個数: 48

約数和(自身を含む): 59092225920

約数和(自身を除く): 38055520380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1244, 1555, 1866, 3110, 3732, 4665, 6220, 9330, 18660, 1127369, 2254738, 3382107, 4509476, 5636845, 6764214, 11273690, 13528428, 16910535, 22547380, 33821070, 67642140, 350611759, 701223518, 1051835277, 1402447036, 1753058795, 2103670554, 3506117590, 4207341108, 5259176385, 7012235180, 10518352770, 21036705540]

約数ペア:

[(1, 21036705540), (2, 10518352770), (3, 7012235180), (4, 5259176385), (5, 4207341108), (6, 3506117590), (10, 2103670554), (12, 1753058795), (15, 1402447036), (20, 1051835277), (30, 701223518), (60, 350611759), (311, 67642140), (622, 33821070), (933, 22547380), (1244, 16910535), (1555, 13528428), (1866, 11273690), (3110, 6764214), (3732, 5636845), (4665, 4509476), (6220, 3382107), (9330, 2254738), (18660, 1127369)]