2021018140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 4603967424

約数和(自身を除く): 2582949284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 107, 146, 170, 214, 292, 340, 365, 428, 535, 730, 761, 1070, 1241, 1460, 1522, 1819, 2140, 2482, 3044, 3638, 3805, 4964, 6205, 7276, 7610, 7811, 9095, 12410, 12937, 15220, 15622, 18190, 24820, 25874, 31244, 36380, 39055, 51748, 55553, 64685, 78110, 81427, 111106, 129370, 132787, 156220, 162854, 222212, 258740, 265574, 277765, 325708, 407135, 531148, 555530, 663935, 814270, 944401, 1111060, 1327870, 1384259, 1628540, 1888802, 2655740, 2768518, 3777604, 4722005, 5537036, 5944171, 6921295, 9444010, 11888342, 13842590, 18888020, 23776684, 27685180, 29720855, 59441710, 101050907, 118883420, 202101814, 404203628, 505254535, 1010509070, 2021018140]

約数ペア:

[(1, 2021018140), (2, 1010509070), (4, 505254535), (5, 404203628), (10, 202101814), (17, 118883420), (20, 101050907), (34, 59441710), (68, 29720855), (73, 27685180), (85, 23776684), (107, 18888020), (146, 13842590), (170, 11888342), (214, 9444010), (292, 6921295), (340, 5944171), (365, 5537036), (428, 4722005), (535, 3777604), (730, 2768518), (761, 2655740), (1070, 1888802), (1241, 1628540), (1460, 1384259), (1522, 1327870), (1819, 1111060), (2140, 944401), (2482, 814270), (3044, 663935), (3638, 555530), (3805, 531148), (4964, 407135), (6205, 325708), (7276, 277765), (7610, 265574), (7811, 258740), (9095, 222212), (12410, 162854), (12937, 156220), (15220, 132787), (15622, 129370), (18190, 111106), (24820, 81427), (25874, 78110), (31244, 64685), (36380, 55553), (39055, 51748)]