2021201672

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{13523}}^1$

素因数の和:13710

約数の個数: 64

約数和(自身を含む): 4615470720

約数和(自身を除く): 2594269048

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 157, 238, 314, 476, 628, 952, 1099, 1256, 2198, 2669, 4396, 5338, 8792, 10676, 13523, 18683, 21352, 27046, 37366, 54092, 74732, 94661, 108184, 149464, 189322, 229891, 378644, 459782, 757288, 919564, 1609237, 1839128, 2123111, 3218474, 4246222, 6436948, 8492444, 12873896, 14861777, 16984888, 29723554, 36092887, 59447108, 72185774, 118894216, 144371548, 252650209, 288743096, 505300418, 1010600836, 2021201672]

約数ペア:

[(1, 2021201672), (2, 1010600836), (4, 505300418), (7, 288743096), (8, 252650209), (14, 144371548), (17, 118894216), (28, 72185774), (34, 59447108), (56, 36092887), (68, 29723554), (119, 16984888), (136, 14861777), (157, 12873896), (238, 8492444), (314, 6436948), (476, 4246222), (628, 3218474), (952, 2123111), (1099, 1839128), (1256, 1609237), (2198, 919564), (2669, 757288), (4396, 459782), (5338, 378644), (8792, 229891), (10676, 189322), (13523, 149464), (18683, 108184), (21352, 94661), (27046, 74732), (37366, 54092)]