21003296

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38609}}^1$

素因数の和:38636

約数の個数: 24

約数和(自身を含む): 43783740

約数和(自身を除く): 22780444

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38609, 77218, 154436, 308872, 617744, 656353, 1235488, 1312706, 2625412, 5250824, 10501648, 21003296]

約数ペア:

[(1, 21003296), (2, 10501648), (4, 5250824), (8, 2625412), (16, 1312706), (17, 1235488), (32, 656353), (34, 617744), (68, 308872), (136, 154436), (272, 77218), (544, 38609)]