21632985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 42948360

約数和(自身を除く): 21315375

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 137, 145, 165, 261, 319, 363, 411, 435, 495, 605, 685, 957, 1089, 1233, 1305, 1507, 1595, 1815, 2055, 2871, 3509, 3973, 4521, 4785, 5445, 6165, 7535, 10527, 11919, 13563, 14355, 16577, 17545, 19865, 22605, 31581, 35757, 43703, 49731, 52635, 59595, 67815, 82885, 131109, 149193, 157905, 178785, 218515, 248655, 393327, 480733, 655545, 745965, 1442199, 1966635, 2403665, 4326597, 7210995, 21632985]

約数ペア:

[(1, 21632985), (3, 7210995), (5, 4326597), (9, 2403665), (11, 1966635), (15, 1442199), (29, 745965), (33, 655545), (45, 480733), (55, 393327), (87, 248655), (99, 218515), (121, 178785), (137, 157905), (145, 149193), (165, 131109), (261, 82885), (319, 67815), (363, 59595), (411, 52635), (435, 49731), (495, 43703), (605, 35757), (685, 31581), (957, 22605), (1089, 19865), (1233, 17545), (1305, 16577), (1507, 14355), (1595, 13563), (1815, 11919), (2055, 10527), (2871, 7535), (3509, 6165), (3973, 5445), (4521, 4785)]