21797142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 46552320

約数和(自身を除く): 24755178

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2693, 2698, 4047, 5386, 8079, 8094, 16158, 51167, 102334, 153501, 191203, 307002, 382406, 573609, 1147218, 3632857, 7265714, 10898571, 21797142]

約数ペア:

[(1, 21797142), (2, 10898571), (3, 7265714), (6, 3632857), (19, 1147218), (38, 573609), (57, 382406), (71, 307002), (114, 191203), (142, 153501), (213, 102334), (426, 51167), (1349, 16158), (2693, 8094), (2698, 8079), (4047, 5386)]