21083264

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9720

約数の個数: 32

約数和(自身を含む): 44477100

約数和(自身を除く): 23393836

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9689, 19378, 38756, 77512, 155024, 164713, 310048, 329426, 620096, 658852, 1240192, 1317704, 2635408, 5270816, 10541632, 21083264]

約数ペア:

[(1, 21083264), (2, 10541632), (4, 5270816), (8, 2635408), (16, 1317704), (17, 1240192), (32, 658852), (34, 620096), (64, 329426), (68, 310048), (128, 164713), (136, 155024), (272, 77512), (544, 38756), (1088, 19378), (2176, 9689)]