21033390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2761

約数の個数: 64

約数和(自身を含む): 59272704

約数和(自身を除く): 38239314

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2707, 3885, 5414, 7770, 8121, 13535, 16242, 18949, 27070, 37898, 40605, 56847, 81210, 94745, 100159, 113694, 189490, 200318, 284235, 300477, 500795, 568470, 600954, 701113, 1001590, 1402226, 1502385, 2103339, 3004770, 3505565, 4206678, 7011130, 10516695, 21033390]

約数ペア:

[(1, 21033390), (2, 10516695), (3, 7011130), (5, 4206678), (6, 3505565), (7, 3004770), (10, 2103339), (14, 1502385), (15, 1402226), (21, 1001590), (30, 701113), (35, 600954), (37, 568470), (42, 500795), (70, 300477), (74, 284235), (105, 200318), (111, 189490), (185, 113694), (210, 100159), (222, 94745), (259, 81210), (370, 56847), (518, 40605), (555, 37898), (777, 27070), (1110, 18949), (1295, 16242), (1554, 13535), (2590, 8121), (2707, 7770), (3885, 5414)]