21425628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{673}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 57370880

約数和(自身を除く): 35945252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 673, 758, 1137, 1346, 1516, 2019, 2274, 2653, 2692, 4038, 4548, 4711, 5306, 7959, 8076, 9422, 10612, 14133, 15918, 18844, 28266, 31836, 56532, 255067, 510134, 765201, 1020268, 1530402, 1785469, 3060804, 3570938, 5356407, 7141876, 10712814, 21425628]

約数ペア:

[(1, 21425628), (2, 10712814), (3, 7141876), (4, 5356407), (6, 3570938), (7, 3060804), (12, 1785469), (14, 1530402), (21, 1020268), (28, 765201), (42, 510134), (84, 255067), (379, 56532), (673, 31836), (758, 28266), (1137, 18844), (1346, 15918), (1516, 14133), (2019, 10612), (2274, 9422), (2653, 8076), (2692, 7959), (4038, 5306), (4548, 4711)]