21494214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 33732666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 101, 126, 189, 202, 303, 378, 563, 606, 707, 909, 1126, 1414, 1689, 1818, 2121, 2727, 3378, 3941, 4242, 5067, 5454, 6363, 7882, 10134, 11823, 12726, 15201, 19089, 23646, 30402, 35469, 38178, 56863, 70938, 106407, 113726, 170589, 212814, 341178, 398041, 511767, 796082, 1023534, 1194123, 1535301, 2388246, 3070602, 3582369, 7164738, 10747107, 21494214]

約数ペア:

[(1, 21494214), (2, 10747107), (3, 7164738), (6, 3582369), (7, 3070602), (9, 2388246), (14, 1535301), (18, 1194123), (21, 1023534), (27, 796082), (42, 511767), (54, 398041), (63, 341178), (101, 212814), (126, 170589), (189, 113726), (202, 106407), (303, 70938), (378, 56863), (563, 38178), (606, 35469), (707, 30402), (909, 23646), (1126, 19089), (1414, 15201), (1689, 12726), (1818, 11823), (2121, 10134), (2727, 7882), (3378, 6363), (3941, 5454), (4242, 5067)]