21037515255

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{367243}}^1$

素因数の和:367340

約数の個数: 48

約数和(自身を含む): 38957243520

約数和(自身を除く): 17919728265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 67, 95, 171, 201, 285, 335, 603, 855, 1005, 1273, 3015, 3819, 6365, 11457, 19095, 57285, 367243, 1101729, 1836215, 3305187, 5508645, 6977617, 16525935, 20932851, 24605281, 34888085, 62798553, 73815843, 104664255, 123026405, 221447529, 313992765, 369079215, 467500339, 1107237645, 1402501017, 2337501695, 4207503051, 7012505085, 21037515255]

約数ペア:

[(1, 21037515255), (3, 7012505085), (5, 4207503051), (9, 2337501695), (15, 1402501017), (19, 1107237645), (45, 467500339), (57, 369079215), (67, 313992765), (95, 221447529), (171, 123026405), (201, 104664255), (285, 73815843), (335, 62798553), (603, 34888085), (855, 24605281), (1005, 20932851), (1273, 16525935), (3015, 6977617), (3819, 5508645), (6365, 3305187), (11457, 1836215), (19095, 1101729), (57285, 367243)]