21461004068

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{355009}}^1$

素因数の和:355164

約数の個数: 48

約数和(自身を含む): 45804810240

約数和(自身を除く): 24343806172

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 476, 508, 889, 1778, 2159, 3556, 4318, 8636, 15113, 30226, 60452, 355009, 710018, 1420036, 2485063, 4970126, 6035153, 9940252, 12070306, 24140612, 42246071, 45086143, 84492142, 90172286, 168984284, 180344572, 315603001, 631206002, 766464431, 1262412004, 1532928862, 3065857724, 5365251017, 10730502034, 21461004068]

約数ペア:

[(1, 21461004068), (2, 10730502034), (4, 5365251017), (7, 3065857724), (14, 1532928862), (17, 1262412004), (28, 766464431), (34, 631206002), (68, 315603001), (119, 180344572), (127, 168984284), (238, 90172286), (254, 84492142), (476, 45086143), (508, 42246071), (889, 24140612), (1778, 12070306), (2159, 9940252), (3556, 6035153), (4318, 4970126), (8636, 2485063), (15113, 1420036), (30226, 710018), (60452, 355009)]