21617808

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4643}}^1$

素因数の和:4751

約数の個数: 40

約数和(自身を含む): 56433888

約数和(自身を除く): 34816080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4643, 4656, 9286, 13929, 18572, 27858, 37144, 55716, 74288, 111432, 222864, 450371, 900742, 1351113, 1801484, 2702226, 3602968, 5404452, 7205936, 10808904, 21617808]

約数ペア:

[(1, 21617808), (2, 10808904), (3, 7205936), (4, 5404452), (6, 3602968), (8, 2702226), (12, 1801484), (16, 1351113), (24, 900742), (48, 450371), (97, 222864), (194, 111432), (291, 74288), (388, 55716), (582, 37144), (776, 27858), (1164, 18572), (1552, 13929), (2328, 9286), (4643, 4656)]