21771792

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21599}}^1$

素因数の和:21620

約数の個数: 60

約数和(自身を含む): 69638400

約数和(自身を除く): 47866608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 21599, 43198, 64797, 86396, 129594, 151193, 172792, 194391, 259188, 302386, 345584, 388782, 453579, 518376, 604772, 777564, 907158, 1036752, 1209544, 1360737, 1555128, 1814316, 2419088, 2721474, 3110256, 3628632, 5442948, 7257264, 10885896, 21771792]

約数ペア:

[(1, 21771792), (2, 10885896), (3, 7257264), (4, 5442948), (6, 3628632), (7, 3110256), (8, 2721474), (9, 2419088), (12, 1814316), (14, 1555128), (16, 1360737), (18, 1209544), (21, 1036752), (24, 907158), (28, 777564), (36, 604772), (42, 518376), (48, 453579), (56, 388782), (63, 345584), (72, 302386), (84, 259188), (112, 194391), (126, 172792), (144, 151193), (168, 129594), (252, 86396), (336, 64797), (504, 43198), (1008, 21599)]