21401172

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5081}}^1$

素因数の和:5110

約数の個数: 60

約数和(自身を含む): 60262356

約数和(自身を除く): 38861184

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5081, 10162, 15243, 20324, 30486, 45729, 60972, 66053, 91458, 132106, 137187, 182916, 198159, 264212, 274374, 396318, 411561, 548748, 594477, 792636, 823122, 1188954, 1646244, 1783431, 2377908, 3566862, 5350293, 7133724, 10700586, 21401172]

約数ペア:

[(1, 21401172), (2, 10700586), (3, 7133724), (4, 5350293), (6, 3566862), (9, 2377908), (12, 1783431), (13, 1646244), (18, 1188954), (26, 823122), (27, 792636), (36, 594477), (39, 548748), (52, 411561), (54, 396318), (78, 274374), (81, 264212), (108, 198159), (117, 182916), (156, 137187), (162, 132106), (234, 91458), (324, 66053), (351, 60972), (468, 45729), (702, 30486), (1053, 20324), (1404, 15243), (2106, 10162), (4212, 5081)]