21212370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7603}}^1$

素因数の和:7647

約数の個数: 48

約数和(自身を含む): 56938752

約数和(自身を除く): 35726382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7603, 15206, 22809, 38015, 45618, 68427, 76030, 114045, 136854, 228090, 235693, 342135, 471386, 684270, 707079, 1178465, 1414158, 2121237, 2356930, 3535395, 4242474, 7070790, 10606185, 21212370]

約数ペア:

[(1, 21212370), (2, 10606185), (3, 7070790), (5, 4242474), (6, 3535395), (9, 2356930), (10, 2121237), (15, 1414158), (18, 1178465), (30, 707079), (31, 684270), (45, 471386), (62, 342135), (90, 235693), (93, 228090), (155, 136854), (186, 114045), (279, 76030), (310, 68427), (465, 45618), (558, 38015), (930, 22809), (1395, 15206), (2790, 7603)]