21137566918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{217201}}^1$

素因数の和:217432

約数の個数: 32

約数和(自身を含む): 36125036640

約数和(自身を除く): 14987469722

約数列:

[1, 2, 13, 19, 26, 38, 197, 247, 394, 494, 2561, 3743, 5122, 7486, 48659, 97318, 217201, 434402, 2823613, 4126819, 5647226, 8253638, 42788597, 53648647, 85577194, 107297294, 556251761, 812983343, 1112503522, 1625966686, 10568783459, 21137566918]

約数ペア:

[(1, 21137566918), (2, 10568783459), (13, 1625966686), (19, 1112503522), (26, 812983343), (38, 556251761), (197, 107297294), (247, 85577194), (394, 53648647), (494, 42788597), (2561, 8253638), (3743, 5647226), (5122, 4126819), (7486, 2823613), (48659, 434402), (97318, 217201)]