21563259096

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{68071}}^1$

素因数の和:68344

約数の個数: 64

約数和(自身を含む): 54991284480

約数和(自身を除く): 33428025384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 197, 201, 268, 394, 402, 536, 591, 788, 804, 1182, 1576, 1608, 2364, 4728, 13199, 26398, 39597, 52796, 68071, 79194, 105592, 136142, 158388, 204213, 272284, 316776, 408426, 544568, 816852, 1633704, 4560757, 9121514, 13409987, 13682271, 18243028, 26819974, 27364542, 36486056, 40229961, 53639948, 54729084, 80459922, 107279896, 109458168, 160919844, 321839688, 898469129, 1796938258, 2695407387, 3593876516, 5390814774, 7187753032, 10781629548, 21563259096]

約数ペア:

[(1, 21563259096), (2, 10781629548), (3, 7187753032), (4, 5390814774), (6, 3593876516), (8, 2695407387), (12, 1796938258), (24, 898469129), (67, 321839688), (134, 160919844), (197, 109458168), (201, 107279896), (268, 80459922), (394, 54729084), (402, 53639948), (536, 40229961), (591, 36486056), (788, 27364542), (804, 26819974), (1182, 18243028), (1576, 13682271), (1608, 13409987), (2364, 9121514), (4728, 4560757), (13199, 1633704), (26398, 816852), (39597, 544568), (52796, 408426), (68071, 316776), (79194, 272284), (105592, 204213), (136142, 158388)]