21000570632

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{39511}}^1$

素因数の和:39654

約数の個数: 48

約数和(自身を含む): 41297942400

約数和(自身を除く): 20297371768

約数列:

[1, 2, 4, 8, 29, 58, 79, 116, 158, 232, 316, 632, 841, 1682, 2291, 3364, 4582, 6728, 9164, 18328, 39511, 66439, 79022, 132878, 158044, 265756, 316088, 531512, 1145819, 2291638, 3121369, 4583276, 6242738, 9166552, 12485476, 24970952, 33228751, 66457502, 90519701, 132915004, 181039402, 265830008, 362078804, 724157608, 2625071329, 5250142658, 10500285316, 21000570632]

約数ペア:

[(1, 21000570632), (2, 10500285316), (4, 5250142658), (8, 2625071329), (29, 724157608), (58, 362078804), (79, 265830008), (116, 181039402), (158, 132915004), (232, 90519701), (316, 66457502), (632, 33228751), (841, 24970952), (1682, 12485476), (2291, 9166552), (3364, 6242738), (4582, 4583276), (6728, 3121369), (9164, 2291638), (18328, 1145819), (39511, 531512), (66439, 316088), (79022, 265756), (132878, 158044)]