2021029660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131749}}^1$

素因数の和:131830

約数の個数: 48

約数和(自身を含む): 4648140000

約数和(自身を除く): 2627110340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 131749, 263498, 526996, 658745, 1317490, 1712737, 2634980, 3425474, 6850948, 7773191, 8563685, 15546382, 17127370, 31092764, 34254740, 38865955, 77731910, 101051483, 155463820, 202102966, 404205932, 505257415, 1010514830, 2021029660]

約数ペア:

[(1, 2021029660), (2, 1010514830), (4, 505257415), (5, 404205932), (10, 202102966), (13, 155463820), (20, 101051483), (26, 77731910), (52, 38865955), (59, 34254740), (65, 31092764), (118, 17127370), (130, 15546382), (236, 8563685), (260, 7773191), (295, 6850948), (590, 3425474), (767, 2634980), (1180, 1712737), (1534, 1317490), (3068, 658745), (3835, 526996), (7670, 263498), (15340, 131749)]