21000391668

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{217747}}^1$

素因数の和:217826

約数の個数: 96

約数和(自身を含む): 58530662400

約数和(自身を除く): 37530270732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 47, 54, 57, 76, 94, 108, 114, 141, 171, 188, 228, 282, 342, 423, 513, 564, 684, 846, 893, 1026, 1269, 1692, 1786, 2052, 2538, 2679, 3572, 5076, 5358, 8037, 10716, 16074, 24111, 32148, 48222, 96444, 217747, 435494, 653241, 870988, 1306482, 1959723, 2612964, 3919446, 4137193, 5879169, 7838892, 8274386, 10234109, 11758338, 12411579, 16548772, 20468218, 23516676, 24823158, 30702327, 37234737, 40936436, 49646316, 61404654, 74469474, 92106981, 111704211, 122809308, 148938948, 184213962, 194448071, 223408422, 276320943, 368427924, 388896142, 446816844, 552641886, 583344213, 777792284, 1105283772, 1166688426, 1750032639, 2333376852, 3500065278, 5250097917, 7000130556, 10500195834, 21000391668]

約数ペア:

[(1, 21000391668), (2, 10500195834), (3, 7000130556), (4, 5250097917), (6, 3500065278), (9, 2333376852), (12, 1750032639), (18, 1166688426), (19, 1105283772), (27, 777792284), (36, 583344213), (38, 552641886), (47, 446816844), (54, 388896142), (57, 368427924), (76, 276320943), (94, 223408422), (108, 194448071), (114, 184213962), (141, 148938948), (171, 122809308), (188, 111704211), (228, 92106981), (282, 74469474), (342, 61404654), (423, 49646316), (513, 40936436), (564, 37234737), (684, 30702327), (846, 24823158), (893, 23516676), (1026, 20468218), (1269, 16548772), (1692, 12411579), (1786, 11758338), (2052, 10234109), (2538, 8274386), (2679, 7838892), (3572, 5879169), (5076, 4137193), (5358, 3919446), (8037, 2612964), (10716, 1959723), (16074, 1306482), (24111, 870988), (32148, 653241), (48222, 435494), (96444, 217747)]