2021100588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{31069}}^1$

素因数の和:31231

約数の個数: 72

約数和(自身を含む): 5541645200

約数和(自身を除く): 3520544612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3614, 5004, 5421, 7228, 10842, 16263, 21684, 31069, 32526, 62138, 65052, 93207, 124276, 186414, 279621, 372828, 403897, 559242, 807794, 1118484, 1211691, 1615588, 2423382, 3635073, 4318591, 4846764, 7270146, 8637182, 12955773, 14540292, 17274364, 25911546, 38867319, 51823092, 56141683, 77734638, 112283366, 155469276, 168425049, 224566732, 336850098, 505275147, 673700196, 1010550294, 2021100588]

約数ペア:

[(1, 2021100588), (2, 1010550294), (3, 673700196), (4, 505275147), (6, 336850098), (9, 224566732), (12, 168425049), (13, 155469276), (18, 112283366), (26, 77734638), (36, 56141683), (39, 51823092), (52, 38867319), (78, 25911546), (117, 17274364), (139, 14540292), (156, 12955773), (234, 8637182), (278, 7270146), (417, 4846764), (468, 4318591), (556, 3635073), (834, 2423382), (1251, 1615588), (1668, 1211691), (1807, 1118484), (2502, 807794), (3614, 559242), (5004, 403897), (5421, 372828), (7228, 279621), (10842, 186414), (16263, 124276), (21684, 93207), (31069, 65052), (32526, 62138)]