21668136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 62570880

約数和(自身を除く): 40902744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 606, 707, 808, 1212, 1277, 1414, 2121, 2424, 2554, 2828, 3831, 4242, 5108, 5656, 7662, 8484, 8939, 10216, 15324, 16968, 17878, 26817, 30648, 35756, 53634, 71512, 107268, 128977, 214536, 257954, 386931, 515908, 773862, 902839, 1031816, 1547724, 1805678, 2708517, 3095448, 3611356, 5417034, 7222712, 10834068, 21668136]

約数ペア:

[(1, 21668136), (2, 10834068), (3, 7222712), (4, 5417034), (6, 3611356), (7, 3095448), (8, 2708517), (12, 1805678), (14, 1547724), (21, 1031816), (24, 902839), (28, 773862), (42, 515908), (56, 386931), (84, 257954), (101, 214536), (168, 128977), (202, 107268), (303, 71512), (404, 53634), (606, 35756), (707, 30648), (808, 26817), (1212, 17878), (1277, 16968), (1414, 15324), (2121, 10216), (2424, 8939), (2554, 8484), (2828, 7662), (3831, 5656), (4242, 5108)]