21231644392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{376501}}^1$

素因数の和:376586

約数の個数: 64

約数和(自身を含む): 48794659200

約数和(自身を除く): 27563014808

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 371, 424, 532, 742, 1007, 1064, 1484, 2014, 2968, 4028, 7049, 8056, 14098, 28196, 56392, 376501, 753002, 1506004, 2635507, 3012008, 5271014, 7153519, 10542028, 14307038, 19954553, 21084056, 28614076, 39909106, 50074633, 57228152, 79818212, 100149266, 139681871, 159636424, 200298532, 279363742, 379136507, 400597064, 558727484, 758273014, 1117454968, 1516546028, 2653955549, 3033092056, 5307911098, 10615822196, 21231644392]

約数ペア:

[(1, 21231644392), (2, 10615822196), (4, 5307911098), (7, 3033092056), (8, 2653955549), (14, 1516546028), (19, 1117454968), (28, 758273014), (38, 558727484), (53, 400597064), (56, 379136507), (76, 279363742), (106, 200298532), (133, 159636424), (152, 139681871), (212, 100149266), (266, 79818212), (371, 57228152), (424, 50074633), (532, 39909106), (742, 28614076), (1007, 21084056), (1064, 19954553), (1484, 14307038), (2014, 10542028), (2968, 7153519), (4028, 5271014), (7049, 3012008), (8056, 2635507), (14098, 1506004), (28196, 753002), (56392, 376501)]