2021212130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{2713}}^1$

素因数の和:3123

約数の個数: 64

約数和(自身を含む): 4314608640

約数和(自身を除く): 2293396510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 367, 406, 734, 1015, 1835, 2030, 2569, 2713, 3670, 5138, 5426, 10643, 12845, 13565, 18991, 21286, 25690, 27130, 37982, 53215, 74501, 78677, 94955, 106430, 149002, 157354, 189910, 372505, 393385, 550739, 745010, 786770, 995671, 1101478, 1991342, 2753695, 4978355, 5507390, 6969697, 9956710, 13939394, 28874459, 34848485, 57748918, 69696970, 144372295, 202121213, 288744590, 404242426, 1010606065, 2021212130]

約数ペア:

[(1, 2021212130), (2, 1010606065), (5, 404242426), (7, 288744590), (10, 202121213), (14, 144372295), (29, 69696970), (35, 57748918), (58, 34848485), (70, 28874459), (145, 13939394), (203, 9956710), (290, 6969697), (367, 5507390), (406, 4978355), (734, 2753695), (1015, 1991342), (1835, 1101478), (2030, 995671), (2569, 786770), (2713, 745010), (3670, 550739), (5138, 393385), (5426, 372505), (10643, 189910), (12845, 157354), (13565, 149002), (18991, 106430), (21286, 94955), (25690, 78677), (27130, 74501), (37982, 53215)]