21328576

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{9007}}^1$

素因数の和:9056

約数の個数: 28

約数和(自身を含む): 43472608

約数和(自身を除く): 22144032

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 9007, 18014, 36028, 72056, 144112, 288224, 333259, 576448, 666518, 1333036, 2666072, 5332144, 10664288, 21328576]

約数ペア:

[(1, 21328576), (2, 10664288), (4, 5332144), (8, 2666072), (16, 1333036), (32, 666518), (37, 576448), (64, 333259), (74, 288224), (148, 144112), (296, 72056), (592, 36028), (1184, 18014), (2368, 9007)]