21028014

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9817}}^1$

素因数の和:9849

約数の個数: 48

約数和(自身を含む): 55137888

約数和(自身を除く): 34109874

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9817, 19634, 29451, 58902, 68719, 88353, 137438, 166889, 176706, 206157, 333778, 412314, 500667, 618471, 1001334, 1168223, 1236942, 1502001, 2336446, 3004002, 3504669, 7009338, 10514007, 21028014]

約数ペア:

[(1, 21028014), (2, 10514007), (3, 7009338), (6, 3504669), (7, 3004002), (9, 2336446), (14, 1502001), (17, 1236942), (18, 1168223), (21, 1001334), (34, 618471), (42, 500667), (51, 412314), (63, 333778), (102, 206157), (119, 176706), (126, 166889), (153, 137438), (238, 88353), (306, 68719), (357, 58902), (714, 29451), (1071, 19634), (2142, 9817)]