21434238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2621

約数の個数: 48

約数和(自身を含む): 53888640

約数和(自身を除く): 32454402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2539, 2814, 4221, 5078, 7617, 8442, 15234, 17773, 22851, 35546, 45702, 53319, 106638, 159957, 170113, 319914, 340226, 510339, 1020678, 1190791, 1531017, 2381582, 3062034, 3572373, 7144746, 10717119, 21434238]

約数ペア:

[(1, 21434238), (2, 10717119), (3, 7144746), (6, 3572373), (7, 3062034), (9, 2381582), (14, 1531017), (18, 1190791), (21, 1020678), (42, 510339), (63, 340226), (67, 319914), (126, 170113), (134, 159957), (201, 106638), (402, 53319), (469, 45702), (603, 35546), (938, 22851), (1206, 17773), (1407, 15234), (2539, 8442), (2814, 7617), (4221, 5078)]