21105173690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1\times {\mathrm{797}}^1$

素因数の和:1679

約数の個数: 64

約数和(自身を含む): 39713587200

約数和(自身を除く): 18608413510

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 635, 719, 797, 1270, 1438, 1594, 3595, 3683, 3985, 7190, 7366, 7970, 18415, 20851, 23113, 36830, 41702, 46226, 91313, 101219, 104255, 115565, 182626, 202438, 208510, 231130, 456565, 506095, 573043, 913130, 1012190, 1146086, 2648077, 2865215, 2935351, 5296154, 5730430, 5870702, 13240385, 14676755, 16618247, 26480770, 29353510, 33236494, 72776461, 83091235, 145552922, 166182470, 363882305, 727764610, 2110517369, 4221034738, 10552586845, 21105173690]

約数ペア:

[(1, 21105173690), (2, 10552586845), (5, 4221034738), (10, 2110517369), (29, 727764610), (58, 363882305), (127, 166182470), (145, 145552922), (254, 83091235), (290, 72776461), (635, 33236494), (719, 29353510), (797, 26480770), (1270, 16618247), (1438, 14676755), (1594, 13240385), (3595, 5870702), (3683, 5730430), (3985, 5296154), (7190, 2935351), (7366, 2865215), (7970, 2648077), (18415, 1146086), (20851, 1012190), (23113, 913130), (36830, 573043), (41702, 506095), (46226, 456565), (91313, 231130), (101219, 208510), (104255, 202438), (115565, 182626)]