21562364691

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{303691}}^1$

素因数の和:303741

約数の個数: 48

約数和(自身を含む): 37900761600

約数和(自身を除く): 16338396909

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1449, 3087, 3381, 7889, 10143, 23667, 71001, 303691, 911073, 2125837, 2733219, 6377511, 6984893, 14880859, 19132533, 20954679, 44642577, 48894251, 62864037, 104166013, 133927731, 146682753, 312498039, 342259757, 440048259, 937494117, 1026779271, 2395818299, 3080337813, 7187454897, 21562364691]

約数ペア:

[(1, 21562364691), (3, 7187454897), (7, 3080337813), (9, 2395818299), (21, 1026779271), (23, 937494117), (49, 440048259), (63, 342259757), (69, 312498039), (147, 146682753), (161, 133927731), (207, 104166013), (343, 62864037), (441, 48894251), (483, 44642577), (1029, 20954679), (1127, 19132533), (1449, 14880859), (3087, 6984893), (3381, 6377511), (7889, 2733219), (10143, 2125837), (23667, 911073), (71001, 303691)]