21041940528

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{55079}}^1$

素因数の和:55479

約数の個数: 120

約数和(自身を含む): 67479609600

約数和(自身を除く): 46437669072

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, 379, 504, 758, 1008, 1137, 1516, 2274, 2653, 3032, 3411, 4548, 5306, 6064, 6822, 7959, 9096, 10612, 13644, 15918, 18192, 21224, 23877, 27288, 31836, 42448, 47754, 54576, 55079, 63672, 95508, 110158, 127344, 165237, 191016, 220316, 330474, 382032, 385553, 440632, 495711, 660948, 771106, 881264, 991422, 1156659, 1321896, 1542212, 1982844, 2313318, 2643792, 3084424, 3469977, 3965688, 4626636, 6168848, 6939954, 7931376, 9253272, 13879908, 18506544, 20874941, 27759816, 41749882, 55519632, 62624823, 83499764, 125249646, 146124587, 166999528, 187874469, 250499292, 292249174, 333999056, 375748938, 438373761, 500998584, 584498348, 751497876, 876747522, 1001997168, 1168996696, 1315121283, 1502995752, 1753495044, 2337993392, 2630242566, 3005991504, 3506990088, 5260485132, 7013980176, 10520970264, 21041940528]

約数ペア:

[(1, 21041940528), (2, 10520970264), (3, 7013980176), (4, 5260485132), (6, 3506990088), (7, 3005991504), (8, 2630242566), (9, 2337993392), (12, 1753495044), (14, 1502995752), (16, 1315121283), (18, 1168996696), (21, 1001997168), (24, 876747522), (28, 751497876), (36, 584498348), (42, 500998584), (48, 438373761), (56, 375748938), (63, 333999056), (72, 292249174), (84, 250499292), (112, 187874469), (126, 166999528), (144, 146124587), (168, 125249646), (252, 83499764), (336, 62624823), (379, 55519632), (504, 41749882), (758, 27759816), (1008, 20874941), (1137, 18506544), (1516, 13879908), (2274, 9253272), (2653, 7931376), (3032, 6939954), (3411, 6168848), (4548, 4626636), (5306, 3965688), (6064, 3469977), (6822, 3084424), (7959, 2643792), (9096, 2313318), (10612, 1982844), (13644, 1542212), (15918, 1321896), (18192, 1156659), (21224, 991422), (23877, 881264), (27288, 771106), (31836, 660948), (42448, 495711), (47754, 440632), (54576, 385553), (55079, 382032), (63672, 330474), (95508, 220316), (110158, 191016), (127344, 165237)]