2021992010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 3817148544

約数和(自身を除く): 1795156534

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 157, 215, 305, 314, 430, 491, 610, 785, 982, 1570, 2455, 2623, 4910, 5246, 6751, 9577, 13115, 13502, 19154, 21113, 26230, 29951, 33755, 42226, 47885, 59902, 67510, 77087, 95770, 105565, 149755, 154174, 211130, 299510, 385435, 411811, 770870, 823622, 1287893, 2059055, 2575786, 3314741, 4118110, 4702307, 6439465, 6629482, 9404614, 12878930, 16573705, 23511535, 33147410, 47023070, 202199201, 404398402, 1010996005, 2021992010]

約数ペア:

[(1, 2021992010), (2, 1010996005), (5, 404398402), (10, 202199201), (43, 47023070), (61, 33147410), (86, 23511535), (122, 16573705), (157, 12878930), (215, 9404614), (305, 6629482), (314, 6439465), (430, 4702307), (491, 4118110), (610, 3314741), (785, 2575786), (982, 2059055), (1570, 1287893), (2455, 823622), (2623, 770870), (4910, 411811), (5246, 385435), (6751, 299510), (9577, 211130), (13115, 154174), (13502, 149755), (19154, 105565), (21113, 95770), (26230, 77087), (29951, 67510), (33755, 59902), (42226, 47885)]