21851466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 55566336

約数和(自身を除く): 33714870

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1291, 1302, 2418, 2582, 2821, 3873, 5642, 7746, 8463, 9037, 16783, 16926, 18074, 27111, 33566, 40021, 50349, 54222, 80042, 100698, 117481, 120063, 234962, 240126, 280147, 352443, 520273, 560294, 704886, 840441, 1040546, 1560819, 1680882, 3121638, 3641911, 7283822, 10925733, 21851466]

約数ペア:

[(1, 21851466), (2, 10925733), (3, 7283822), (6, 3641911), (7, 3121638), (13, 1680882), (14, 1560819), (21, 1040546), (26, 840441), (31, 704886), (39, 560294), (42, 520273), (62, 352443), (78, 280147), (91, 240126), (93, 234962), (182, 120063), (186, 117481), (217, 100698), (273, 80042), (403, 54222), (434, 50349), (546, 40021), (651, 33566), (806, 27111), (1209, 18074), (1291, 16926), (1302, 16783), (2418, 9037), (2582, 8463), (2821, 7746), (3873, 5642)]