21674212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 24451868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 311, 524, 532, 622, 917, 1244, 1834, 2177, 2489, 3668, 4354, 4978, 5909, 8708, 9956, 11818, 17423, 23636, 34846, 40741, 41363, 69692, 81482, 82726, 162964, 165452, 285187, 570374, 774079, 1140748, 1548158, 3096316, 5418553, 10837106, 21674212]

約数ペア:

[(1, 21674212), (2, 10837106), (4, 5418553), (7, 3096316), (14, 1548158), (19, 1140748), (28, 774079), (38, 570374), (76, 285187), (131, 165452), (133, 162964), (262, 82726), (266, 81482), (311, 69692), (524, 41363), (532, 40741), (622, 34846), (917, 23636), (1244, 17423), (1834, 11818), (2177, 9956), (2489, 8708), (3668, 5909), (4354, 4978)]