21403578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 53526528

約数和(自身を除く): 32122950

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 93, 102, 119, 186, 217, 238, 357, 434, 527, 651, 714, 967, 1054, 1302, 1581, 1934, 2901, 3162, 3689, 5802, 6769, 7378, 11067, 13538, 16439, 20307, 22134, 29977, 32878, 40614, 49317, 59954, 89931, 98634, 115073, 179862, 209839, 230146, 345219, 419678, 509609, 629517, 690438, 1019218, 1259034, 1528827, 3057654, 3567263, 7134526, 10701789, 21403578]

約数ペア:

[(1, 21403578), (2, 10701789), (3, 7134526), (6, 3567263), (7, 3057654), (14, 1528827), (17, 1259034), (21, 1019218), (31, 690438), (34, 629517), (42, 509609), (51, 419678), (62, 345219), (93, 230146), (102, 209839), (119, 179862), (186, 115073), (217, 98634), (238, 89931), (357, 59954), (434, 49317), (527, 40614), (651, 32878), (714, 29977), (967, 22134), (1054, 20307), (1302, 16439), (1581, 13538), (1934, 11067), (2901, 7378), (3162, 6769), (3689, 5802)]