21668790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5051}}^1$

素因数の和:5085

約数の個数: 64

約数和(自身を含む): 61108992

約数和(自身を除く): 39440202

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 5051, 10102, 15153, 25255, 30306, 50510, 55561, 65663, 75765, 111122, 131326, 151530, 166683, 196989, 277805, 328315, 333366, 393978, 555610, 656630, 722293, 833415, 984945, 1444586, 1666830, 1969890, 2166879, 3611465, 4333758, 7222930, 10834395, 21668790]

約数ペア:

[(1, 21668790), (2, 10834395), (3, 7222930), (5, 4333758), (6, 3611465), (10, 2166879), (11, 1969890), (13, 1666830), (15, 1444586), (22, 984945), (26, 833415), (30, 722293), (33, 656630), (39, 555610), (55, 393978), (65, 333366), (66, 328315), (78, 277805), (110, 196989), (130, 166683), (143, 151530), (165, 131326), (195, 111122), (286, 75765), (330, 65663), (390, 55561), (429, 50510), (715, 30306), (858, 25255), (1430, 15153), (2145, 10102), (4290, 5051)]