21517410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1419

約数の個数: 64

約数和(自身を含む): 56484864

約数和(自身を除く): 34967454

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1361, 1581, 2635, 2722, 3162, 4083, 5270, 6805, 7905, 8166, 13610, 15810, 20415, 23137, 40830, 42191, 46274, 69411, 84382, 115685, 126573, 138822, 210955, 231370, 253146, 347055, 421910, 632865, 694110, 717247, 1265730, 1434494, 2151741, 3586235, 4303482, 7172470, 10758705, 21517410]

約数ペア:

[(1, 21517410), (2, 10758705), (3, 7172470), (5, 4303482), (6, 3586235), (10, 2151741), (15, 1434494), (17, 1265730), (30, 717247), (31, 694110), (34, 632865), (51, 421910), (62, 347055), (85, 253146), (93, 231370), (102, 210955), (155, 138822), (170, 126573), (186, 115685), (255, 84382), (310, 69411), (465, 46274), (510, 42191), (527, 40830), (930, 23137), (1054, 20415), (1361, 15810), (1581, 13610), (2635, 8166), (2722, 7905), (3162, 6805), (4083, 5270)]