21284104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 43372800

約数和(自身を除く): 22088696

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4517, 4712, 9034, 18068, 36136, 85823, 140027, 171646, 280054, 343292, 560108, 686584, 1120216, 2660513, 5321026, 10642052, 21284104]

約数ペア:

[(1, 21284104), (2, 10642052), (4, 5321026), (8, 2660513), (19, 1120216), (31, 686584), (38, 560108), (62, 343292), (76, 280054), (124, 171646), (152, 140027), (248, 85823), (589, 36136), (1178, 18068), (2356, 9034), (4517, 4712)]