21089772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 61239360

約数和(自身を除く): 40149588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2803, 3762, 5606, 7524, 8409, 11212, 16818, 25227, 30833, 33636, 50454, 53257, 61666, 92499, 100908, 106514, 123332, 159771, 184998, 213028, 277497, 319542, 369996, 479313, 554994, 585827, 639084, 958626, 1109988, 1171654, 1757481, 1917252, 2343308, 3514962, 5272443, 7029924, 10544886, 21089772]

約数ペア:

[(1, 21089772), (2, 10544886), (3, 7029924), (4, 5272443), (6, 3514962), (9, 2343308), (11, 1917252), (12, 1757481), (18, 1171654), (19, 1109988), (22, 958626), (33, 639084), (36, 585827), (38, 554994), (44, 479313), (57, 369996), (66, 319542), (76, 277497), (99, 213028), (114, 184998), (132, 159771), (171, 123332), (198, 106514), (209, 100908), (228, 92499), (342, 61666), (396, 53257), (418, 50454), (627, 33636), (684, 30833), (836, 25227), (1254, 16818), (1881, 11212), (2508, 8409), (2803, 7524), (3762, 5606)]