2021347860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4812733}}^1$

素因数の和:4812752

約数の個数: 48

約数和(自身を含む): 6468314496

約数和(自身を除く): 4446966636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4812733, 9625466, 14438199, 19250932, 24063665, 28876398, 33689131, 48127330, 57752796, 67378262, 72190995, 96254660, 101067393, 134756524, 144381990, 168445655, 202134786, 288763980, 336891310, 404269572, 505336965, 673782620, 1010673930, 2021347860]

約数ペア:

[(1, 2021347860), (2, 1010673930), (3, 673782620), (4, 505336965), (5, 404269572), (6, 336891310), (7, 288763980), (10, 202134786), (12, 168445655), (14, 144381990), (15, 134756524), (20, 101067393), (21, 96254660), (28, 72190995), (30, 67378262), (35, 57752796), (42, 48127330), (60, 33689131), (70, 28876398), (84, 24063665), (105, 19250932), (140, 14438199), (210, 9625466), (420, 4812733)]