2021096860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1\times {\mathrm{2161}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 4297571712

約数和(自身を除く): 2276474852

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 463, 505, 926, 1010, 1852, 2020, 2161, 2315, 4322, 4630, 8644, 9260, 10805, 21610, 43220, 46763, 93526, 187052, 218261, 233815, 436522, 467630, 873044, 935260, 1000543, 1091305, 2001086, 2182610, 4002172, 4365220, 5002715, 10005430, 20010860, 101054843, 202109686, 404219372, 505274215, 1010548430, 2021096860]

約数ペア:

[(1, 2021096860), (2, 1010548430), (4, 505274215), (5, 404219372), (10, 202109686), (20, 101054843), (101, 20010860), (202, 10005430), (404, 5002715), (463, 4365220), (505, 4002172), (926, 2182610), (1010, 2001086), (1852, 1091305), (2020, 1000543), (2161, 935260), (2315, 873044), (4322, 467630), (4630, 436522), (8644, 233815), (9260, 218261), (10805, 187052), (21610, 93526), (43220, 46763)]