21031607268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{3307}}^1\times {\mathrm{25237}}^1$

素因数の和:28561

約数の個数: 72

約数和(自身を含む): 60778757312

約数和(自身を除く): 39747150044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 3307, 6614, 9921, 13228, 19842, 23149, 25237, 29763, 39684, 46298, 50474, 59526, 69447, 75711, 92596, 100948, 119052, 138894, 151422, 176659, 208341, 227133, 277788, 302844, 353318, 416682, 454266, 529977, 706636, 833364, 908532, 1059954, 1589931, 2119908, 3179862, 6359724, 83458759, 166917518, 250376277, 333835036, 500752554, 584211313, 751128831, 1001505108, 1168422626, 1502257662, 1752633939, 2336845252, 3004515324, 3505267878, 5257901817, 7010535756, 10515803634, 21031607268]

約数ペア:

[(1, 21031607268), (2, 10515803634), (3, 7010535756), (4, 5257901817), (6, 3505267878), (7, 3004515324), (9, 2336845252), (12, 1752633939), (14, 1502257662), (18, 1168422626), (21, 1001505108), (28, 751128831), (36, 584211313), (42, 500752554), (63, 333835036), (84, 250376277), (126, 166917518), (252, 83458759), (3307, 6359724), (6614, 3179862), (9921, 2119908), (13228, 1589931), (19842, 1059954), (23149, 908532), (25237, 833364), (29763, 706636), (39684, 529977), (46298, 454266), (50474, 416682), (59526, 353318), (69447, 302844), (75711, 277788), (92596, 227133), (100948, 208341), (119052, 176659), (138894, 151422)]