2021521012

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{4549}}^1$

素因数の和:4888

約数の個数: 48

約数和(自身を含む): 4127760000

約数和(自身を除く): 2106238988

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 269, 413, 538, 826, 1076, 1652, 1883, 3766, 4549, 7532, 9098, 15871, 18196, 31742, 31843, 63484, 63686, 111097, 127372, 222194, 268391, 444388, 536782, 1073564, 1223681, 1878737, 2447362, 3757474, 4894724, 7514948, 8565767, 17131534, 34263068, 72197179, 144394358, 288788716, 505380253, 1010760506, 2021521012]

約数ペア:

[(1, 2021521012), (2, 1010760506), (4, 505380253), (7, 288788716), (14, 144394358), (28, 72197179), (59, 34263068), (118, 17131534), (236, 8565767), (269, 7514948), (413, 4894724), (538, 3757474), (826, 2447362), (1076, 1878737), (1652, 1223681), (1883, 1073564), (3766, 536782), (4549, 444388), (7532, 268391), (9098, 222194), (15871, 127372), (18196, 111097), (31742, 63686), (31843, 63484)]